You should rely only on the information contained in or incorporated by reference in this prospectus supplement, the accompanying prospectus and any free writing prospectus that we may provide to you. Neither we nor the underwriters have authorized anyone to provide you with different information. If anyone provides you with different or inconsistent information, you should not rely on it. We are not, and the underwriters are not, making an offer to sell these securities in any jurisdiction where the offer or sale is not permitted. You should not assume that the information contained in this prospectus supplement or the accompanying prospectus is accurate as of any date other than the date on the front of this prospectus supplement or the accompanying prospectus. You should not assume that the information contained in the documents incorporated by reference in this prospectus supplement or the accompanying prospectus is accurate as of any date other than the respective dates of those documents. Our business, financial condition, results of operations and prospects may have changed since those dates.

This document is in two parts. The first part is this prospectus supplement, which describes the terms of this offering of our common stock. The second part is the accompanying base prospectus, which provides more general information. Generally, when we use the term “prospectus,” we are referring to both parts combined. If the information varies between this prospectus supplement and the accompanying base prospectus, you should rely on the information in this prospectus supplement.

In making an investment decision, prospective investors must rely on their own examination of the company and the terms of the offering, including the merits and risks involved. Prospective investors should not construe anything in this prospectus as legal, business or tax advice. Each prospective investor should consult its own advisors as needed to make its investment decision and to determine whether it is legally permitted to purchase the securities under applicable legal investment, or similar laws or regulations.

Any statement made in this prospectus, any free writing prospectus authorized by us or in a document incorporated or deemed to be incorporated by reference into this prospectus will be deemed to be modified or superseded for purposes of this prospectus to the extent that a statement contained in this prospectus or in any free writing prospectus authorized by us or in any other subsequently filed document that is also incorporated by reference into this prospectus modifies or supersedes that statement. Any statement so modified or superseded will not be deemed, except as so modified or superseded, to constitute a part of this prospectus. Please read “Where You Can Find More Information” on page S-31 of this prospectus supplement.

G-III designs, manufactures and markets an extensive range of apparel, including outerwear, dresses, sportswear, swimwear, women’s suits and women’s performance wear, as well as footwear, luggage and women’s handbags, small leather goods and cold weather accessories. We sell our products under our own proprietary brands, licensed brands and private retail labels.

We have grown rapidly during the past few years with net sales increasing from $1.23 billion in fiscal 2012 to $1.72 billion in fiscal 2014. Our net income increased from $49.6 million, or $2.46 per diluted share, in fiscal 2012 to $77.4 million, or $3.71 per diluted share, in fiscal 2014.

Our products are sold through a cross section of leading retailers such as Macy’s, Bloomingdale’s, Nordstrom, Neiman Marcus, Saks Fifth Avenue, Lord & Taylor, The Bon-Ton Stores, Dillard’s and JC Penney.

We also distribute through our own retail stores. Our retail operations segment consists primarily of our Wilsons and G.H. Bass stores, substantially all of which are operated as outlet stores. As of April 30, 2014, we operated 168 Wilsons stores, 156 G.H. Bass stores, as well as five Andrew Marc stores and three Calvin Klein Performance stores, in 41 states and Puerto Rico. In addition, Vilebrequin sells its products in the United States and over 50 countries around the world through a network of company owned and franchised specialty retail stores and shops, as well as through select wholesale distribution.

We have acquired businesses that have broadened our product offerings, expanded our ability to serve different tiers of distribution and added a retail component to our business. Our acquisitions are part of our strategy to expand our product offerings and increase the portfolio of proprietary and licensed brands that we offer through different tiers of retail distribution.

In November 2013, we acquired the business of G.H. Bass & Co., a well-known heritage brand that developed the iconic original penny loafer (known as “Weejuns”). Bass footwear, apparel and accessories are sold primarily through our G.H. Bass outlet stores located in the United States. The brand is also licensed for the wholesale distribution of men’s and women’s footwear and men’s sportswear.

In August 2012, we acquired Vilebrequin, a premier provider of status swimwear, resort wear and related accessories. Vilebrequin sells its products through a network of company owned and franchised specialty retail stores and shops, as well as through select wholesale distribution. We believe that Vilebrequin is capable of significant worldwide expansion.

We have three reportable segments, licensed products, non-licensed products and retail operations. The licensed products segment includes sales of products under brands licensed by us from third parties. The non-licensed products segment includes sales of products under our own brands and private label brands. The retail operations segment consists primarily of our Wilsons and G.H. Bass stores, as well as a limited number of Andrew Marc retail stores and Calvin Klein Performance stores.

We intend to capitalize on the following competitive strengths in order to achieve our goal of creating an all-season diversified apparel company:

Wayne S. Miller, our Chief Operating Officer, has been with us for over 15 years and Neal S. Nackman, our Chief Financial Officer, has been with us for over 10 years. Each of our executive officers has over 30 years of experience in the apparel business. Our leadership team has demonstrated experience in successfully acquiring, managing, integrating and positioning new businesses having completed seven acquisitions over the last nine years while also adding numerous new licensed products.

Our goal is to build an all-season diversified apparel company with a broad portfolio of brands that we offer in multiple channels of retail distribution through the following growth strategies:

related accessories as a result of our acquisition of Vilebrequin. Most recently, our acquisition of G.H. Bass added footwear to our product mix. We will attempt to expand our distribution of products in these and other categories under licensed brands, our own brands and private label brands.

Our principal executive offices are located at 512 Seventh Avenue, New York, New York 10018, and our telephone number is (212) 403-0500. Our website is located at http:/​/​www.g-iii.com. We make available our periodic reports and other information filed with or furnished to the SEC, free of charge through our website, as soon as reasonably practicable after those reports and other information are electronically filed with or furnished to the SEC. Information on our website or any other website is not incorporated by reference herein, does not constitute a part of this prospectus, and you should not consider information on our website in deciding to purchase shares of our common stock.

The number of shares of common stock to be outstanding after this offering is based on 20,554,616 shares outstanding as of June 20, 2014. It excludes, as of that date:

The following table presents summary consolidated historical financial and operating data for us for the periods and as of the dates presented. The following table should be read in conjunction with “Selected Financial Data,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the financial statements and related notes appearing in our Annual Report on Form 10-K for the year ended January 31, 2014, and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the financial statements and related notes appearing in our Quarterly Report on Form 10-Q for the quarterly period ended April 30, 2014, both of which are incorporated by reference into this prospectus supplement.

The selected consolidated financial data set forth below as of and for the fiscal years ended January 31, 2012, 2013 and 2014 are derived from our audited historical consolidated financial statements incorporated by reference into this prospectus supplement. The selected consolidated financial data set forth below as of and for the fiscal quarterly periods ended April 30, 2013 and April 30, 2014 are derived from our unaudited historical consolidated financial statements incorporated by reference in this prospectus supplement, and, in the opinion of management, include all adjustments (inclusive only of normally recurring adjustments) necessary for a fair presentation. Our historical results are not necessarily indicative of results that may be expected for any future period and our historical results for an interim period are not necessarily indicative of results for a full year.

Our business is subject to uncertainties and risks. Before you invest in our common stock you should carefully consider the following risk factors and those included in our Annual Report on Form 10-K for the year ended January 31, 2014, which is incorporated by reference into this prospectus supplement, together with all of the other information included in this prospectus supplement, the accompanying base prospectus and the documents we incorporate by reference. The risks discussed below and in the foregoing documents are the material risks of which we are currently aware; however, they may not be the only risks that we may face. Additional risks and uncertainties not currently known to us or that we currently view as immaterial may also impair our business. If any of these risks develop into actual events, it could materially and adversely affect our business, financial condition, results of operations and cash flows, the trading price of our common stock could decline and you may lose all or part of your investment. Please also read “Special Note Regarding Forward-Looking Statements.”

We are dependent on sales of licensed products for a substantial portion of our revenues. In fiscal 2014, net sales of licensed product accounted for 64.1% of our net sales compared to 67.3% of our net sales in fiscal 2013 and 65.5% of our net sales in fiscal 2012.

We are generally required to achieve specified minimum net sales, make specified royalty and advertising payments and receive prior approval of the licensor as to all design and other elements of a product prior to production. License agreements also may restrict our ability to enter into other license agreements for competing products or acquire businesses that produce competing products. If we do not satisfy any of these requirements or receive approval with respect to a restricted transaction, a licensor usually will have the right to terminate our license. Even if a licensor does not terminate our license, the failure to achieve net sales sufficient to cover our required minimum royalty payments could have a material adverse effect on our results of operations. If a license contains a renewal provision, there are usually minimum sales and other conditions that must be met in order to be able to renew a license. Even if we comply with all the terms of a license agreement, we cannot be sure that we will be able to renew an agreement when it expires even if we desire to do so. The failure to maintain or renew our license agreements could cause us to lose significant revenue and have a material adverse effect on our results of operations.

Our business strategy is to offer our products on a multiple brand, multiple channel and multiple price point basis. As a part of this strategy, we license the names and brands of numerous recognized companies, designers and celebrities. In entering into these license agreements, we plan our products to be targeted towards different market segments based on consumer demographics, design, suggested pricing and channel of distribution. If any of our licensors decides to “reposition” its products under the brands we license from them, introduce similar products under similar brand names or otherwise change the parameters of design, pricing, distribution, target market or competitive set, we could experience a significant downturn in that brand’s business, adversely affecting our sales and profitability. In addition, as licensed products may be personally associated with designers or celebrities, our sales of those products could be materially and adversely affected if any of those individuals’ images, reputations or popularity were to be negatively impacted.

We have ten different license agreements relating to a variety of products sold under the Calvin Klein brand that is owned by PVH Corp. Sales of Calvin Klein product constitute a majority of our sales of licensed products. Any change by PVH in the marketing of products sold under the Calvin Klein label or any adverse change in the consumer’s perception of the Calvin Klein brand could have a material adverse effect on our results of operations. We have three license agreements for products sold under the Tommy Hilfiger brand, which is also owned by PVH. Any adverse change in our relationship with PVH would have a material adverse effect on our results of operations.

Our customers’ buying patterns, as well as the need to provide additional allowances to customers, could have a material adverse effect on our business, results of operations and financial condition. Customers’ strategic initiatives, including developing their own private labels brands, selling national brands on an exclusive basis or reducing the number of vendors they purchase from, could also impact our sales to these customers. There is a trend among major retailers to concentrate purchasing among a narrowing group of vendors. To the extent that any of our key customers reduces the number of its vendors and, as a result, reduces or eliminates purchases from us, there could be a material adverse effect on us.

Our 10 largest customers, all of which are department or discount store groups, accounted for approximately 61.3% of our net sales in fiscal 2014, 63.7% of our net sales in fiscal 2013 and 63.3% of our net sales in fiscal 2012, with the Macy’s Inc. group accounting for approximately 21.0% of our net sales in fiscal 2014. Consolidation in the retail industry could increase the concentration of our sales to our largest customers. We do not have long-term contracts with any customers, and sales to customers generally occur on an order-by-order basis that may be subject to cancellation or rescheduling by the customer. A decision by our major customers to decrease the amount of merchandise purchased from us, increase the use of their own private label brands, sell a national brand on an exclusive basis or change the manner of doing business with us could reduce our revenues and materially adversely affect our results of operations. The loss of any of our large customers, or the bankruptcy or serious financial difficulty of any of our large customers, could have a material adverse effect on us.

We often produce products to hold in inventory in order to meet our customers’ delivery requirements and to be able to quickly fulfill reorders. If we misjudge the market for our products, we may be faced with significant excess inventories for some products and missed opportunities for others. In addition, weak sales and resulting markdown requests from customers could have a material adverse effect on our results of operations.

Our arrangements with foreign manufacturers are subject to the usual risks of doing business abroad, including currency fluctuations, political or labor instability and potential import restrictions, duties and tariffs. We do not maintain insurance for the potential lost profits due to disruptions of our overseas manufacturers. Because our products are produced abroad, primarily in China, political or economic instability in China or elsewhere could cause substantial disruption in the business of our foreign manufacturers. For example, in the past, the Chinese government has reduced tax rebates to factories for the manufacture of textile and leather garments. The rebate reduction resulted in factories seeking to recoup more of their costs from customers, resulting in higher prices for goods imported from China. This tax rebate has been reinstated in certain instances. However, new or increased reductions in this rebate would cause an increase in the cost of finished products from China which could materially adversely affect our financial condition and results of operations.

Heightened terrorism security concerns could subject imported goods to additional, more frequent or more thorough inspections. This could delay deliveries or increase costs, which could adversely impact our results of operations. In addition, since we negotiate our purchase orders with foreign manufacturers in United States dollars, the decline in value of the United States dollar against local currencies would negatively impact our cost in dollars of product sourced from these manufacturers. We are not currently engaged in any hedging activities to protect against currency risks. If there is downward pressure on the value of the dollar, our purchase prices for our products could increase. We may not be able to offset an increase in product costs with a price increase to our customers.

In November 2013, we acquired the G.H. Bass business, which included the operation of 156 outlet stores as of January 31, 2014. Managing the Bass outlet stores requires the expenditure of our time and resources. Prior to our acquisition of the G.H. Bass outlet stores, these stores as a whole were experiencing declines in comparable stores sales, sales per square foot and gross margins. We will need to improve store operations and change the product mix offered at these stores in order for these stores to operate profitably for us. We had no experience operating a retail chain that is primarily known for footwear prior to this acquisition and cannot be sure we will be able to improve the operations of these stores. If we cannot improve the results of operations of these stores sufficiently for them to be profitable, this acquisition could have a material adverse effect on our results of operations.

All of the stores operated by us are leased. Accordingly, we are subject to all of the risks associated with leasing real estate. Store leases generally require us to pay a fixed minimum rent and a variable amount based on a percentage of annual sales at that location. We generally cannot cancel our leases. If an existing or future store is not profitable, and we decide to close it, we may be committed to perform certain obligations under the applicable lease including, among other things, paying rent for the balance of the applicable lease term. As each of our leases expires, if we do not have a renewal option, we may be unable to negotiate a renewal on commercially acceptable terms or at all, which could cause us to close stores in desirable locations. In addition, we may not be able to close an unprofitable store due to an existing operating covenant, which may cause us to operate the location at a loss and prevent us from finding a more desirable location.

Substantially all of our retail stores are operated as outlet stores and located in larger outlet centers, which are typically located in or near vacation destinations or away from large population centers where department stores and other traditional retailers are concentrated. Economic uncertainty in the U.S., fuel shortages, increased fuel prices, travel concerns and other circumstances, which would lead to decreased travel, could have a material adverse effect on sales at our outlet stores. Other factors which could affect the success of our outlet stores include:

Sales at our outlet stores are derived, in part, from the volume of traffic at the malls where our stores are located. Our outlet stores benefit from the ability of a mall’s other tenants and other area attractions to generate consumer traffic in the vicinity of our stores and the continuing popularity of outlet malls as shopping destinations. A reduction in outlet mall traffic as a result of these or other factors could materially adversely affect our business.

The retail industry is intensely competitive. We compete against a diverse group of retailers, including, among others, other outlet stores, department stores, specialty stores, warehouse clubs and e-commerce retailers. We also compete in particular markets with a number of retailers that specialize in the products

that we sell. A number of different competitive factors could have a material adverse effect on our retail business, results of operations and financial condition including:

We may not be able to continue to compete successfully with our existing or new competitors, or be assured that prolonged periods of deep discount pricing by our competitors will not have a material adverse effect on our business.

In August 2012, we acquired Vilebrequin, a premier provider of status swimwear, resort wear and related accessories. Vilebrequin sells its products through a network of both owned and franchised specialty retail stores and shops, as well as through select wholesale distribution. While we have operated outlet stores for several years, we had not previously operated a full price retail chain that includes both owned and franchised stores. Our success with Vilebrequin will be dependent, in part, on our ability to protect and enhance the reputation and status of the Vilebrequin brand. In addition, Vilebrequin’s key swimwear products have a distinctive design and construction utilizing a specialized fabric. As a result, Vilebrequin sources a significant majority of its product with only two manufacturers. Any disruption in the operations of these manufacturers could create an inability to supply required goods to our stores or to our wholesale customers in a timely fashion or without a significant delay, as we may not be able to quickly find another manufacturer that can meet Vilebrequin’s production requirements. Managing the Vilebrequin business will require the expenditure of a significant amount of our time and resources. Operation of an international retail and wholesale business could divert our management’s time and resources from our core domestic business and could negatively impact our results of operations.

Our ability to integrate the operations of Vilebrequin into our company is important in order for us to realize the intended benefits of this acquisition. Vilebrequin’s international operations may make it more difficult for us to accomplish this integration. Our ability to capitalize on this acquisition and successfully expand into international markets is subject to risks associated with international operations. These include:

We are also subject to general political and economic risks in connection with Vilebrequin’s international operations, including:

Changes in regulatory, geopolitical, social or economic policies and other factors may have a material adverse effect on our Vilebrequin business in the future or may require us to exit a particular market or significantly modify our current business practices.

Demand for our products depends in part on the general economic conditions affecting the countries in which we do business. With the acquisition of Vilebrequin, we have significantly expanded our presence in the European market. Recently, the economic situation in Europe has been unstable, arising from concerns that certain European countries may default in payments due on their national debt obligations and from related European financial restructuring efforts, as well as overall weak economic performance within the European market. If such defaults were to occur, or if European financial restructuring efforts create their own instability, current instability in the global credit markets may increase. Continued financial instability in Europe could adversely affect our European operations and, in turn, could have a material adverse effect on us.

We have foreign currency exposure related to foreign denominated revenues and costs, which must be translated into U.S. dollars. Fluctuations in foreign currency exchange rates (particularly any strengthening of the U.S. dollar relative to the Euro) may adversely affect our reported earnings and the comparability of period-to-period results of operations. In addition, while certain currencies (notably the Hong Kong dollar and Chinese Renminbi) are currently fixed or managed in value in relation to the U.S. dollar by foreign central banks or governmental entities, such conditions may change, thereby exposing us to various risks as a result.

Certain of our foreign operations purchase products from suppliers denominated in U.S. dollars and Euros, which may expose such operations to increases in cost of goods sold (thereby lowering profit margins) as a result of foreign currency fluctuations. Our exposures are primarily concentrated in the Euro. Changes in currency exchange rates may also affect the relative prices at which we and our foreign competitors purchase and sell products in the same market and the cost of certain items required in our operations. In addition, certain of our foreign operations have receivables or payables denominated in currencies other than their functional currencies, which exposes such operations to foreign exchange losses as a result of foreign currency fluctuations. Such fluctuations in foreign currency exchange rates could have an adverse effect on our business, results of operations and financial condition.

Our future success depends on Morris Goldfarb, our Chairman, Chief Executive Officer and President, and other key personnel. The loss of the services of Mr. Goldfarb and any negative market or industry perception arising from the loss of his services could have a material adverse effect on us and the price of our shares. Our other executive officers have substantial experience and expertise in our business and have made significant contributions to our success. The unexpected loss of services of one or more of these individuals could also adversely affect us.

Part of our growth strategy is to pursue acquisitions. The negotiation of potential acquisitions as well as the integration of acquired businesses could divert our management’s time and resources. Acquired businesses may not be successfully integrated with our operations. We may not realize the intended benefits of any acquisition, such as our recent acquisitions of G.H. Bass and Vilebrequin.

Acquisitions could also result in:

If acquisitions disrupt our operations, our business may suffer.

The continued growth of our business, including as a result of acquisitions, depends on our access to sufficient funds to support our growth. Our primary source of working capital to support our growth is our line of credit which currently extends to August 2017. Our need for working capital has increased significantly as a result of our seven acquisitions since July 2005, our addition of new licenses and the expansion of our business. The maximum available under our line of credit has increased from $110 million prior to our acquisitions in July 2005 to its current level of $450 million, which resulted from a new credit agreement that increased our maximum availability by $150 million at the time we acquired Vilebrequin in August 2012. Our growth is dependent on our ability to continue to be able to extend and increase our line of credit. If we are unable to refinance our debt, we cannot be sure we will be able to secure alternative financing on satisfactory terms or at all. The loss of the use of this credit facility or the inability to replace this facility when it expires would materially impair our ability to operate our business.

Retail sales of apparel have traditionally been seasonal in nature. In prior years we have been dependent on our sales from July through November for the substantial majority of our net sales and net income. Net sales in the months of July through November accounted for approximately 57% of our net sales in fiscal 2014, 58% of our net sales in fiscal 2013 and 60% of our net sales in fiscal 2012. Our Wilsons and G.H. Bass retail businesses are also highly seasonal, with the third and fourth fiscal quarters accounting for a significant majority of their sales and operating income. As a result, we are highly dependent on our results of operations during the second half of our fiscal year. Any difficulties we may encounter during this period as a result of weather or disruption of manufacturing or transportation of our products will have a magnified effect on our net sales and net income for the year. In addition, because of the large amount of outerwear we sell at both wholesale and retail, unusually warm weather conditions during the peak fall and winter outerwear selling season, including as a result of any change in historical climate patterns, could have a material adverse effect on our results of operations. Our quarterly results of operations for our retail business also may fluctuate based upon such factors as the timing of certain holiday seasons, the number and timing of new store openings, the acceptability of seasonal merchandise offerings, the timing and level of markdowns, store closings and remodels, competitive factors, weather and general economic conditions. The second half of the year is expected to continue to provide a disproportionate amount of our net sales and almost all of our net income for the foreseeable future.

Extreme weather events and changes in weather patterns can influence customer trends and shopping habits. Extended periods of unseasonably warm temperatures during the winter season or cool weather during the summer season may diminish demand for our seasonal merchandise. Heavy snowfall, hurricanes or other severe weather events in the areas in which our retail stores and the retail stores of our wholesale customers are located may decrease customer traffic in those stores and reduce our sales and profitability. If

severe weather events were to force closure of or disrupt operations at the distribution centers we use for our merchandise, we could incur higher costs and experience longer lead times to distribute our products to our retail stores, wholesale customers or e-commerce customers. If prolonged, such extreme or unseasonable weather conditions could adversely affect our business, financial condition and results of operations.

Our ability to successfully compete depends on a number of factors, including our ability to effectively anticipate, gauge and respond to changing consumer demands and tastes across multiple product lines and tiers of distribution. We are required to translate market trends into attractive product offerings and operate within substantial production and delivery constraints. We cannot be sure we will continue to be successful in this regard. We need to anticipate and respond to changing trends quickly, efficiently and effectively in order to be successful.

An important part of our strategy is to expand the types of products we offer. During the past few years, we have added licenses for new lines of women’s suits, dresses, performance wear, sportswear and men’s and women’s swimwear, as well as luggage and women’s handbags and small leather goods. In August 2012, we acquired Vilebrequin, a manufacturer of swimwear, resort wear and related accessories and, in November 2013, we acquired, G.H. Bass, a manufacturer of footwear. We had limited prior experience designing, manufacturing and marketing these types of products. We intend to continue to add additional product lines in the future. As is typical with new products, demand and market acceptance for any new products we introduce will be subject to uncertainty. Designing, producing and marketing new products require substantial expenditures. We cannot be certain that our efforts and expenditures will successfully generate sales or that sales that are generated will be sufficient to cover our expenditures.

Efficient inventory management is a key component of our business success and profitability. To be successful, we must maintain sufficient inventory levels to meet the demands of our wholesale and retail customers without allowing those levels to increase to such an extent that the costs to store and hold the goods unduly impacts our financial results. If our buying decisions do not accurately predict customer trends or purchasing actions, we may have to take unanticipated markdowns to dispose of the excess inventory, which also can adversely impact our financial results. We continue to focus on ways to reduce these risks, but we cannot be certain you that we will continue to be successful in our inventory management. If we are not successful in managing our inventory balances, our cash flows from operations may be negatively affected.

We have experienced inventory shrinkage in the past, and we cannot be certain that incidences of inventory loss and theft will decrease in the future or that the measures we are taking will effectively reduce the problem of inventory shrinkage. Although some level of inventory shrinkage is an unavoidable cost of doing business, if we were to experience higher rates of inventory shrinkage or incur increased security costs to combat inventory theft, our financial condition could be affected adversely.

Fluctuations in the price, availability and quality of raw materials used in our products could have a material adverse effect on our cost of sales or our ability to meet our customers’ demands. We compete with numerous entities for supplies of materials and manufacturing capacity. Raw materials are vulnerable to adverse climate conditions, animal diseases and natural disasters that can affect the supply and price of raw materials. We may not be able to pass on all or any portion of higher material prices to our customers. For example significant increases in the price of raw materials occurred during fiscal 2012. Future increases in raw material prices could have an adverse effect on our results of operations.

Any raw material price increase or increase in costs related to the transport of our products (primarily petroleum costs) could increase our cost of sales and decrease our profitability unless we are able to pass higher prices on to our customers. In addition, if one or more of our competitors is able to reduce its production costs by taking greater advantage of any reductions in raw material prices, favorable sourcing agreements or new manufacturing technologies (which enable manufacturers to produce goods on a more cost-effective basis) we may face pricing pressures from those competitors and may be forced to reduce our prices or face a decline in net sales, either of which could have an adverse effect on our business, results of operations or financial condition.

We believe that our trademarks and other proprietary rights are important to our success and our competitive position. We may, however, experience conflict with various third parties who acquire or claim ownership rights in certain trademarks. We cannot be sure that the actions we have taken to establish and protect our trademarks and other proprietary rights will be adequate to prevent imitation of our products by others or to prevent others from seeking to block sales of our products as a violation of the trademarks and proprietary rights of others.

In the course of our attempts to expand into foreign markets, we may experience conflicts with various third parties who have acquired ownership rights in certain trademarks, which would impede our use and registration of some of our trademarks. Such conflicts are common and may arise from time to time as we pursue international expansion, such as with our acquisition of Vilebrequin. In addition, the laws of certain foreign countries may not protect proprietary rights to the same extent as the laws of the United States. Enforcing rights to our intellectual property may be difficult and expensive, and we may not be successful in combating counterfeit products and stopping infringement of our intellectual property rights, which could make it easier for competitors to capture market share. Furthermore, our efforts to enforce our trademark and other intellectual property rights may be met with defenses, counterclaims and countersuits attacking the validity and enforceability of our trademark and other intellectual property rights. If we are unsuccessful in protecting and enforcing our intellectual property rights, continued sales of such competing products by third parties could harm our brands and adversely impact our business, financial condition and results of operations.

We do not own or operate any manufacturing facilities. We also do not have long-term written agreements with any of our manufacturers. As a result, any of these manufacturers may unilaterally terminate its relationship with us at any time. Almost all of our products are imported from independent foreign manufacturers. The failure of these manufacturers to meet required quality standards could damage our relationships with our customers. In addition, the failure by these manufacturers to ship products to us in a timely manner could cause us to miss the delivery date requirements of our customers. The failure to make timely deliveries could cause customers to cancel orders, refuse to accept delivery of products or demand reduced prices.

We are also dependent on these manufacturers for compliance with our policies and the policies of our licensors and customers regarding labor practices employed by factories that manufacture product for us. Any failure by these manufacturers to comply with required labor standards or any other divergence in their labor or other practices from those generally considered ethical in the United States and the potential negative publicity relating to any of these events, could result in a violation by us of our license agreements and harm us and our reputation. In addition, a manufacturer’s failure to comply with safety or content regulations and standards could result in substantial liability and harm to our reputation.

We rely heavily on information systems to manage operations, including a full range of financial, sourcing, retail and merchandising systems, and regularly make investments to upgrade, enhance or replace these systems. The reliability and capacity of information systems is critical. Despite our preventative efforts, our systems are vulnerable from time to time to damage or interruption from, among other things, security breaches, computer viruses, power outages and other technical malfunctions. Any disruptions

affecting our information systems, or any delays or difficulties in transitioning to new systems or in integrating them with current systems, could have a material adverse impact on the operation of our business. In addition, our ability to continue to operate our business without significant interruption in the event of a disaster or other disruption depends in part on the ability of our information systems to operate in accordance with our disaster recovery and business continuity plans.

The protection of customer, employee, and company data is critical to us. Customers have a high expectation that we will adequately protect their personal information. A significant breach of customer, employee, or company data could damage our reputation and result in lost sales, fines, or lawsuits. Our business involves the receipt and storage of personal information about customers and employees. The secure processing, maintenance and transmission of this information is critical to our operations and business strategy. Despite our security measures, our information technology and infrastructure may be vulnerable to attacks by hackers or breached due to employee error, malfeasance or other disruptions. Any such breach could compromise our networks and the information stored there could be accessed, publicly disclosed, lost or stolen. Any such access, disclosure or other loss of information could result in legal claims or proceedings, liability under laws that protect the privacy of personal information, disrupt our operations and the services we provide to customers and damage our reputation, which could adversely affect our business, revenues and competitive position. Our use of personal information is regulated at the international, federal and state levels. The regulatory environment surrounding information security and privacy is increasingly demanding. Privacy and information security laws and regulations change from time to time, and compliance with them may result in cost increases due to necessary systems changes and the development of new processes. If we fail to comply with these laws and regulations, we could be subjected to legal risk.

Economic conditions have affected, and in the future may adversely affect, the apparel industry and our major customers. Recent conditions have led to a reduction in overall consumer spending, which could have an adverse impact on sales of our products. A disruption in the ability of our significant customers to access liquidity could cause serious disruptions or an overall deterioration of their businesses which could lead to a significant reduction in their orders of our products and the inability or failure on their part to meet their payment obligations to us, any of which could have a material adverse effect on our results of operations and liquidity. A significant adverse change in a customer’s financial and/or credit position could also require us to sell fewer products to that customer or to assume greater credit risk relating to that customer’s receivables or could limit our ability to collect receivables related to previous purchases by that customer. As a result, our reserves for doubtful accounts and write-offs of accounts receivable may increase.

Our historical sources of liquidity to fund ongoing cash requirements include cash flows from operations, cash and cash equivalents, and borrowings through our credit agreement (which includes revolving and trade letter of credit facilities). The sufficiency and availability of credit may be adversely affected by a variety of factors, including, without limitation, the tightening of the credit markets, including lending by financial institutions who are sources of credit for our borrowing and liquidity; an increase in the cost of capital; the reduced availability of credit; our ability to execute our strategy; the level of our cash flows, which will be impacted by retailer and consumer acceptance of our products and the level of consumer discretionary spending; maintenance of financial covenants included in our credit agreement; and interest rate fluctuations. We cannot be certain that any additional required financing, whether debt or equity, will be available in amounts needed or on terms acceptable to us, if at all.

As of April 30, 2014, we were in compliance with the financial covenants in our credit agreement. Compliance with these financial covenants is dependent on the results of our operations, which are subject to a number of factors including current economic conditions. The economic environment has at times resulted in lower consumer confidence and lower retail sales. Adverse developments in the economic climate could lead to reduced consumer spending which could adversely impact our net sales and cash flow, which could affect our compliance with our financial covenants. A violation of our covenants could limit access to our credit facilities. Should such restrictions on our credit facilities and these factors occur, they could have a material adverse effect on our business and results of operations.

The apparel industry is cyclical. Purchases of outerwear, sportswear, swimwear, footwear and other apparel tend to decline during recessionary periods and may decline for a variety of other reasons, including changes in fashion trends and the introduction of new products or pricing changes by our competitors. Uncertainties regarding future economic prospects may affect consumer-spending habits and could have an adverse effect on our results of operations. Uncertainty with respect to consumer spending as a result of weak economic conditions has, at times, caused our customers to delay the placing of initial orders and to slow the pace of reorders during the seasonal peak of our business. Weak economic conditions have had a material adverse effect on our results of operations at times in the past and could have a material adverse effect on our results of operations in the future as well.

The apparel business is highly competitive. We have numerous competitors with respect to the sale of apparel, footwear and accessories, including distributors that import products from abroad and domestic retailers with established foreign manufacturing capabilities. Many of our competitors have greater financial and marketing resources and greater manufacturing capacity than we do. The general availability of contract manufacturing capacity also allows ease of access by new market entrants. The competitive nature of the apparel industry may result in lower prices for our products and decreased gross profit margins, either of which may materially adversely affect our sales and profitability. Sales of our products are affected by a number of competitive factors including style, price, quality, brand recognition and reputation, product appeal and general fashion trends.

We sell our products to major department, mass merchant and specialty store chains. Continued consolidation in the retail industry could negatively impact our business. Consolidation could reduce the number of our customers and potential customers. With increased consolidation in the retail industry, we are increasingly dependent on retailers whose bargaining strength may increase and whose share of our business may grow. As a result, we may face greater pressure from these customers to provide more favorable terms, including increased support of their retail margins. As purchasing decisions become more centralized, the risks from consolidation increase. A store group could decide to decrease the amount of product purchased from us, modify the amount of floor space allocated to outerwear or other apparel in general or to our products specifically or focus on promoting private label products or national brand products for which it has exclusive rights rather than promoting our products. Customers are also concentrating purchases among a narrowing group of vendors. These types of decisions by our key customers could adversely affect our business.

Fuel prices have increased significantly at times during the past few years, and continued at relatively high levels in fiscal 2014. Increased gasoline prices could adversely affect consumer spending, including discretionary spending on apparel and accessories. In addition, higher fuel prices have caused our operating expenses to increase, particularly for freight. Any significant decrease in sales or increase in expenses as a result of higher fuel prices could adversely affect our results of operations.

Legislation that would restrict the importation or increase the cost of textiles and apparel produced abroad has been periodically introduced in Congress. The enactment of new legislation or international trade regulation, or executive action affecting international textile or trade agreements, could adversely affect our business. International trade agreements that can provide for tariffs and/or quotas can increase the cost and limit the amount of product that can be imported.

China’s accession agreement for membership in the World Trade Organization provides that member countries, including the United States, may impose safeguard quotas on specific products. We are unable to assess the potential for future action by the United States government with respect to any product category in the event that the quantity of imported apparel significantly disrupts the apparel market in the United States. Future action by the United States in response to a disruption in its apparel markets could limit our ability to import apparel and increase our costs.

The continued threat of terrorism, heightened security measures and military action in response to acts of terrorism or civil unrest has, at times, disrupted commerce and intensified concerns regarding the United States economy. Any further acts of terrorism or new or extended hostilities may disrupt commerce and undermine consumer confidence, which could negatively impact our sales and results of operations. Similarly, the occurrence of one or more natural disasters, such as hurricanes, fires, floods or earthquakes could result in the closure of one or more of our distribution centers, our corporate headquarters or a significant number of stores or impact one or more of our key suppliers. In addition, these types of events could result in increases in energy prices or a fuel shortage, the temporary or long-term disruption in the supply of product, disruption in the transport of product from overseas, delay in the delivery of product to our factories, our customers or our stores and disruption in our information and communication systems. Accordingly, these types of events could have a material adverse effect on our business and our results of operations.

As of March 31, 2014, Morris Goldfarb, our Chairman, Chief Executive Officer and President, beneficially owned approximately 12.0% of our common stock. His significant role in our management and his reputation in the apparel industry could make his support crucial to the approval of any major transaction involving us. As a result, he may have the ability to control the outcome on matters requiring stockholder approval including, but not limited to, the election of directors and any merger, consolidation or sale of all or substantially all of our assets. He also may have the ability to control our management and affairs.

Between February 1, 2011 and June 20, 2014, the market price of our common stock has ranged from a low of $17.31 to a high of $83.75 per share. The market price of our common stock may change significantly in response to various factors and events beyond our control, including:

The offering price of our common stock will be determined by the price at which our stock is selling on the NASDAQ Global Select Market. Volatility in the market price of our common stock may prevent investors from being able to sell their common stock at or above the offering price. As a result, you may suffer a loss on your investment.

Our management will have broad discretion in the application of the net proceeds from this offering and our stockholders will not have the opportunity as part of their investment decision to assess whether the net proceeds are being used appropriately. Because of the number and variability of factors that will determine our use of the net proceeds from this offering, their ultimate use may vary substantially from their currently intended use. The failure by our management to apply these funds effectively could harm our business.

Pending their use, we intend to pay down the outstanding debt under our credit agreement and invest the balance of the net proceeds from this offering in short-term, investment-grade, interest-bearing instruments and U.S. government securities. These investments may not yield a favorable return to our stockholders.

From time to time, we publicly disclose financial forecasts. Our forecasts reflect numerous assumptions concerning our expected performance, as well as other factors that are beyond our control and that might not turn out to be correct. As a result, variations from our forecasts could be material. Our financial results are subject to numerous risks and uncertainties, including those identified throughout this “Risk Factors” section and elsewhere in this prospectus supplement and in the documents incorporated by reference in this prospectus supplement. If our actual financial results are worse than our financial forecasts, the price of our common stock may decline.

As a publicly traded company, we are subject to a significant body of regulation, including the Sarbanes-Oxley Act of 2002 and the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010. While we have developed and instituted corporate compliance programs and continue to update our programs in response to newly implemented or changing regulatory requirements, we cannot provide assurance that we are or will be in compliance with all potentially applicable corporate regulations. If we fail to comply with any of these regulations, we could be subject to a range of regulatory actions, fines or other sanctions or litigation.

The internal control over financial reporting required by Section 404 of the Sarbanes-Oxley Act may not prevent or detect misstatements because of certain of its limitations, including the possibility of human error, the circumvention or overriding of controls, or fraud. As a result, even effective internal controls may not provide reasonable assurances with respect to the preparation and presentation of financial statements. We cannot provide assurance that, in the future, our management will not find a material weakness in connection with its annual review of our internal control over financial reporting pursuant to Section 404 of the Sarbanes-Oxley Act. We also cannot provide assurance that we could correct any such weakness to allow our management to assess the effectiveness of our internal control over financial reporting as of the end of our fiscal year in time to enable our independent registered public accounting firm to state that such assessment will have been fairly stated in our Annual Report on Form 10-K or state that we have maintained effective internal control over financial reporting as of the end of our fiscal year. If we must disclose any material weakness in our internal control over financial reporting, our stock price could decline.

We are subject to recently adopted SEC disclosure obligations relating to our use of so-called “conflict minerals” such as columbite-tantalite, cassiterite (tin), wolframite (tungsten) and gold. These minerals are present in a number of our products. The disclosure obligations are complex, and there is little formal guidance with respect to their application. To the extent that the information that we receive from our suppliers is inaccurate or inadequate or our processes in obtaining that information do not fulfill the SEC’s requirements, we could face both reputational and SEC enforcement risks.

Certain statements and information in this prospectus supplement constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are based on current expectations and are indicated by words or phrases such as “anticipate,” “estimate,” “expect,” “will,” “project,” “we believe,” “is or remains optimistic,” “currently envisions,” “forecasts,” “goal” and similar words or phrases and involve known and unknown risks, uncertainties and other factors that may cause actual results, performance or achievements to be materially different from the future results, performance or achievements expressed in or implied by such forward-looking statements. Forward-looking statements also include representations of our expectations or beliefs concerning future events that involve risks and uncertainties, including, but not limited to:

These forward-looking statements are based largely on our expectations and judgments and are subject to a number of risks and uncertainties, many of which are unforeseeable and beyond our control. Other factors that could cause our actual results to differ from our projected results are described under the caption “Risk Factors” and elsewhere in this prospectus supplement, the accompanying base prospectus and in our reports filed from time to time with the Securities and Exchange Commission, or SEC, and incorporated by reference in this prospectus supplement.

Readers are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date hereof. We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

We expect the net proceeds from this offering will be approximately $116.1 million (or $133.5 million if the underwriters exercise their option to purchase additional common stock from us in full), at an assumed public offering price of $80.59 per share (the last reported sale price of our common stock on The NASDAQ Global Select Market on June 20, 2014), after deducting estimated underwriting discounts and commissions, as described in “Underwriting,” and estimated offering expenses payable by us.

We intend to use the net proceeds from this offering for general corporate purposes, including, among other things, future acquisitions. Pending such uses, we intend to pay down outstanding debt under our credit agreement (approximately $63.0 million as of April 30, 2014) and invest the balance of the net proceeds in short-term, investment grade securities.

Our credit agreement with JPMorgan Chase Bank, N.A., as Administrative Agent for a group of lenders, is a five year senior secured credit facility through August 2017 providing for borrowings in the aggregate principal amount of up to $450 million. Amounts available under the credit agreement are subject to borrowing base formulas and over advances as specified in the credit agreement.

Borrowings bear interest, at our option, at LIBOR plus a margin of 1.5% to 2.0% or prime plus a margin of 0.5% to 1.0%, with the applicable margin determined based on availability under the credit agreement.

Our common stock is traded on The NASDAQ Global Select Market under the trading symbol “GIII.”

The following table sets forth, for the periods indicated, the range of high and low intraday sales prices per share for our common stock for each quarter in fiscal 2013, fiscal 2014 and fiscal 2015 to date, as reported by The NASDAQ Global Select Market.

As of June 20, 2014, we had 20,554,616 shares of outstanding common stock held by 29 holders of record. The last reported sale price of our common stock on June 20, 2014 was $80.59 per share.

The following table sets forth our cash and cash equivalents and capitalization at April 30, 2014:

You should read this table together with our financial statements and the related notes thereto, as well as “Use of Proceeds,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the other financial information, included elsewhere or incorporated by reference in this prospectus supplement or the accompanying prospectus.

Barclays Capital Inc. is acting as the sole representative of the underwriters. Under the terms of an underwriting agreement, which will be filed as an exhibit to the registration statement, each of the underwriters named below has severally agreed to purchase from us the respective number of shares of our common stock shown opposite its name below:

The underwriting agreement provides that the underwriters’ obligation to purchase shares of our common stock depends on the satisfaction of the conditions contained in the underwriting agreement including:

The following table summarizes the underwriting discounts and commissions we will pay to the underwriters. These amounts are shown assuming both no exercise and full exercise of the underwriters’ option to purchase additional shares. The underwriting fee is the difference between the initial price to the public and the amount the underwriters pay to us for the shares.

The representative has advised us that the underwriters propose to offer the shares of our common stock directly to the public at the public offering price on the cover of this prospectus supplement and to selected dealers, which may include the underwriters, at such offering price less a selling concession not in excess of $     per share. After the offering, the representative may change the offering price and other selling terms.

The expenses of the offering that are payable by us are estimated to be approximately $300,000 (excluding underwriting discounts and commissions).

We have granted the underwriters an option exercisable for 30 days after the date of this prospectus supplement to purchase, from time to time, in whole or in part, up to an aggregate of 225,000 shares from us at the public offering price less underwriting discounts and commissions. To the extent that this option is exercised, each underwriter will be obligated, subject to certain conditions, to purchase its pro rata portion of these additional shares based on the underwriter’s percentage underwriting commitment in the offering as indicated in the table at the beginning of this Underwriting Section.

We, all of our directors and executive officers have agreed that, for a period of 90 days after the date of this prospectus supplement subject to certain limited exceptions, we will not directly or indirectly, without the prior written consent of Barclays Capital Inc., (1) offer for sale, sell, pledge, or otherwise dispose of (or enter into any transaction or device that is designed to, or could be expected to, result in the disposition by any person at any time in the future of) any shares of common stock (including, without limitation, shares of common stock that may be deemed to be beneficially owned by us in accordance with the rules and regulations of the SEC and shares of common stock that may be issued upon exercise of any options or warrants) or securities convertible into or exercisable or exchangeable for common stock (other than the stock and shares issued pursuant to employee benefit plans, qualified stock option plans, or other employee compensation plans existing on the date of this prospectus supplement), or sell or grant options, rights or warrants with respect to any shares of common stock or securities convertible into or exchangeable for common stock (other than the grant of options pursuant to option plans existing on the date of this prospectus supplement), (2) enter into any swap or other derivatives transaction that transfers to another, in whole or in part, any of the economic benefits or risks of ownership of shares of common stock, whether any such transaction described in clause (1) or (2) above is to be settled by delivery of common stock or other securities, in cash or otherwise, (3) make any demand for or exercise any right or file or cause to be filed a registration statement, including any amendments thereto, with respect to the registration of any shares of common stock or securities convertible, exercisable or exchangeable into common stock or any of our other securities (other than any registration statement on Form S-8), or (4) publicly disclose the intention to do any of the foregoing. The lock-up agreements do not prohibit the sale of up to 86,100 shares of our common stock that may be received by persons executing lock-up agreements pursuant to the vesting of restricted stock units during the lock-up period.

Barclays Capital Inc., in its sole discretion, may release the common stock and other securities subject to the lock-up agreements described above in whole or in part at any time. When determining whether or not to release common stock and other securities from lock-up agreements, Barclays Capital Inc. will consider, among other factors, the holder’s reasons for requesting the release, the number of shares of common stock and other securities for which the release is being requested and market conditions at the time.

We have agreed to indemnify the underwriters against certain liabilities, including liabilities under the Securities Act of 1933, as amended, or Securities Act, and to contribute to payments that the underwriters may be required to make for these liabilities.

The representative may engage in stabilizing transactions, short sales and purchases to cover positions created by short sales, and penalty bids or purchases for the purpose of pegging, fixing or maintaining the price of the common stock, in accordance with Regulation M under the Securities Exchange Act of 1934, as amended, or the Exchange Act:

These stabilizing transactions, syndicate covering transactions and penalty bids may have the effect of raising or maintaining the market price of our common stock or preventing or retarding a decline in the market price of the common stock. As a result, the price of the common stock may be higher than the price that might otherwise exist in the open market. These transactions may be effected on The NASDAQ Global Select Market or otherwise and, if commenced, may be discontinued at any time.

Neither we nor any of the underwriters make any representation or prediction as to the direction or magnitude of any effect that the transactions described above may have on the price of the common stock. In addition, neither we nor any of the underwriters make any representation that the representative will engage in these stabilizing transactions or that any transaction, once commenced, will not be discontinued without notice.

In connection with the offering, underwriters and selling group members may engage in passive market making transactions in the common stock on The NASDAQ Global Market in accordance with Rule 103 of Regulation M under the Exchange Act during the period before the commencement of offers or sales of common stock and extending through the completion of distribution. A passive market maker must display its bids at a price not in excess of the highest independent bid of the security. However, if all independent bids are lowered below the passive market maker’s bid that bid must be lowered when specified purchase limits are exceeded.

Our common stock is listed on The NASDAQ Global Select Market under the symbol “GIII”.

If you purchase shares of common stock offered in this prospectus supplement, you may be required to pay stamp taxes and other charges under the laws and practices of the country of purchase, in addition to the offering price listed on the cover page of this prospectus supplement.

The underwriters and certain of their affiliates are full service financial institutions engaged in various activities, which may include securities trading, commercial and investment banking, financial advisory, investment management, investment research, principal investment, hedging, financing and brokerage activities. The underwriters and certain of their affiliates have, from time to time, performed, and may in the future perform, various commercial and investment banking and financial advisory services for the issuer and its affiliates, for which they received or may in the future receive customary fees and expenses.

In the ordinary course of their various business activities, the underwriters and certain of their affiliates may make or hold a broad array of investments and actively trade debt and equity securities (or related derivative securities) and financial instruments (including bank loans) for their own account and for the accounts of their customers, and such investment and securities activities may involve securities and/or instruments of the issuer or its affiliates. If the underwriters or their affiliates have a lending relationship with us, certain other of those underwriters or their affiliates may hedge their credit exposure to us consistent with their customary risk management policies. Typically, the underwriters and their affiliates would hedge such exposure by entering into transactions which consist of either the purchase of credit

default swaps or the creation of short positions in our securities or the securities of our affiliates, including potentially the shares of common stock offered hereby. Any such credit default swaps or short positions could adversely affect future trading prices of the shares of common stock offered hereby. The underwriters and certain of their affiliates may also communicate independent investment recommendations, market color or trading ideas and/or publish or express independent research views in respect of such securities or instruments and may at any time hold, or recommend to clients that they acquire, long and/or short positions in such securities and instruments.

This prospectus supplement does not constitute an offer to sell to, or a solicitation of an offer to buy from, anyone in any country or jurisdiction (i) in which such an offer or solicitation is not authorized, (ii) in which any person making such offer or solicitation is not qualified to do so or (iii) in which any such offer or solicitation would otherwise be unlawful. No action has been taken that would, or is intended to, permit a public offer of the shares of common stock or possession or distribution of this prospectus supplement or any other offering or publicity material relating to the shares of common stock in any country or jurisdiction (other than the United States) where any such action for that purpose is required. Accordingly, each underwriter has undertaken that it will not, directly or indirectly, offer or sell any shares of common stock or have in its possession, distribute or publish any prospectus, form of application, advertisement or other document or information in any country or jurisdiction except under circumstances that will, to the best of its knowledge and belief, result in compliance with any applicable laws and regulations and all offers and sales of shares of common stock by it will be made on the same terms.

In relation to each Member State of the European Economic Area which has implemented the Prospectus Directive (each, a “Relevant Member State”) an offer to the public of any common stock which are the subject of the offering contemplated herein may not be made in that Relevant Member State, except that an offer to the public in that Relevant Member State of any common stock may be made at any time under the following exemptions under the Prospectus Directive, if they have been implemented in that Relevant Member State:

Each person in a Relevant Member State who receives any communication in respect of, or who acquires any common stock under, the offers contemplated here in this prospectus supplement will be deemed to have represented, warranted and agreed to and with each underwriter and us that:

For the purposes of this representation and the provision above, the expression an “offer of common stock to the public” in relation to any common stock in any Relevant Member State means the communication in any form and by any means of sufficient information on the terms of the offer and any common stock to be offered so as to enable an investor to decide to purchase or subscribe for the common stock, as the same may be varied in that Relevant Member State by any measure implementing the Prospectus Directive in that Relevant Member State, the expression “Prospectus Directive” means Directive 2003/71/EC (and amendments thereto, including the 2010 PD Amending Directive, to the extent implemented in the Relevant Member State), and includes any relevant implementing measure in each Relevant Member State and the expression “2010 PD Amending Directive” means Directive 2010/73/EU.

This prospectus supplement has only been communicated or caused to have been communicated and will only be communicated or caused to be communicated as an invitation or inducement to engage in investment activity (within the meaning of Section 21 of the Financial Services and Markets Act of 2000 (the “FSMA”)) as received in connection with the issue or sale of the common stock in circumstances in which Section 21(1) of the FSMA does not apply to us. All applicable provisions of the FSMA will be complied with in respect to anything done in relation to the common stock in, from or otherwise involving the United Kingdom.

The offering of the common stock in Canada is being made on a private placement basis in reliance on exemptions from the prospectus requirements under the securities laws of each applicable Canadian province and territory where the common stock may be offered and sold, and therein may only be made with investors that are purchasing as principal and that qualify as both an “accredited investor” as such term is defined in National Instrument 45-106 Prospectus and Registration Exemptions and as a “permitted client” as such term is defined in National Instrument 31-103 Registration Requirements, Exemptions and Ongoing Registrant Obligation. Any offer and sale of the common stock in any province or territory of Canada may only be made through a dealer that is properly registered under the securities legislation of the applicable province or territory wherein the common stock is offered and/or sold or, alternatively, by a dealer that qualifies under and is relying upon an exemption from the registration requirements therein.

Any resale of the common stock by an investor resident in Canada must be made in accordance with applicable Canadian securities laws, which may require resales to be made in accordance with prospectus and registration requirements, statutory exemptions from the prospectus and registration requirements or under a discretionary exemption from the prospectus and registration requirements granted by the applicable Canadian securities regulatory authority. These resale restrictions may under certain circumstances apply to resales of the common stock outside of Canada.

Upon receipt of this document, each Canadian investor hereby confirms that it has expressly requested that all documents evidencing or relating in any way to the sale of the securities described herein (including for greater certainty any purchase confirmation or any notice) be drawn up in the English language only. Par la réception de ce document, chaque investisseur canadien confirme par les présentes qu’il a expressément exigé que tous les documents faisant foi ou se rapportant de quelque manière que ce soit à la vente des valeurs mobilières décrites aux présentes (incluant, pour plus de certitude, toute confirmation d’achat ou tout avis) soient rédigés en anglais seulement.

The validity of the issuance of the common stock offered by us in this offering will be passed upon for us by Fulbright & Jaworski LLP, New York, New York. Certain legal matters will be passed upon for the underwriters by Latham & Watkins LLP, New York, New York.

The consolidated financial statements of G-III Apparel Group, Ltd. and subsidiaries appearing in G-III Apparel Group Ltd.’s Annual Report (Form 10-K) for the year ended January 31, 2014 (including the schedule appearing therein), and the effectiveness of G-III Apparel Group Ltd.’s internal control over financial reporting as of January 31, 2014, have been audited by Ernst & Young LLP, independent registered public accounting firm, as set forth in their reports thereon included therein, and incorporated herein by reference. Such consolidated financial statements are incorporated herein by reference in reliance upon such reports given on the authority of such firm as experts in accounting and auditing.

We have filed a registration statement with the SEC under the Securities Act that registers the offer and sale from time to time of our common stock, preferred stock, debt securities, warrants, rights and units, including the common stock covered by this prospectus supplement. The registration statement, including the attached exhibits, contains additional relevant information about us and our securities. In addition, we file annual, quarterly and current reports with the SEC. Our SEC filings are available over the internet at the SEC’s website at http:/​/​www.sec.gov. You also can read and copy any document we file at the SEC’s public reference room at 100 F Street, N.E., Washington, D.C. 20549. Please call the SEC at 1-800-SEC-0330 for more information on the public reference room and its copy charges.

The SEC allows us to “incorporate by reference” the information we have filed with the SEC. This means that we can disclose important information to you without actually including the specific information in this prospectus supplement or the accompanying base prospectus by referring you to other documents filed separately with the SEC. The information incorporated by reference is an important part of this prospectus supplement and the accompanying base prospectus. Information that we later provide to the SEC, and that is deemed to be “filed” with the SEC, will automatically update information previously filed with the SEC and may replace information in this prospectus supplement and the accompanying base prospectus and information previously filed with the SEC.

We incorporate by reference in this prospectus supplement the documents listed below and any future filings we make with the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act (excluding information deemed to be furnished and not filed with the SEC under Item 2.02 or 7.01):

You may obtain a copy of all of the documents that have been incorporated by reference in this prospectus supplement, including exhibits to these documents, without charge by requesting them from us. If you would like to request documents from us, please send a request in writing or by telephone at the following address or telephone number:

Any statement contained in a document incorporated or deemed to be incorporated by reference in this prospectus supplement will be deemed modified, superseded or replaced for purposes of this prospectus supplement to the extent that a statement contained in this prospectus supplement or in any subsequently filed document that also is or is deemed to be incorporated by reference in this prospectus supplement modifies, supersedes or replaces such statement. Any statement so modified, superseded or replaced, will not be deemed, except as so modified, superseded or replaced, to constitute a part of this prospectus supplement.

This prospectus relates to common stock, preferred stock, debt securities, warrants and rights, and any combination of such securities, separately or as units, that we may offer and sell from time to time in one or more offerings up to a total dollar amount of $400,000,000 on terms to be determined at the time of sale. The debt securities, preferred stock and warrants may be convertible, exercisable or exchangeable for common or preferred stock or other securities of ours. We will provide specific terms of these securities in supplements to this prospectus. You should read this prospectus and any supplement carefully before you invest. This prospectus may not be used to offer and sell securities unless accompanied by a prospectus supplement for those securities.

Our common stock is traded on the Nasdaq Global Select Market under the symbol “GIII.”

These securities may be sold directly, on a continuous or delayed basis, by us, through dealers or agents designated from time to time, to or through underwriters or through a combination of these methods. See “Plan of Distribution” in this prospectus. We may also describe the plan of distribution for any particular offering of these securities in any applicable prospectus supplement. If any agents, underwriters or dealers are involved in the sale of any securities in respect of which this prospectus is being delivered, we will disclose their names and the nature of our arrangements with them in a prospectus supplement. The net proceeds we expect to receive from any such sale will also be included in a prospectus supplement.

You should rely only on the information contained or incorporated by reference in this prospectus or any applicable prospectus supplement. We have not authorized any other person to provide you with different information. If anyone provides you with different or inconsistent information, you should not rely on it. For further information, see the section of this prospectus entitled “Where You Can Find More Information.” We are not making an offer to sell these securities in any jurisdiction where the offer or sale is not permitted.

You should not assume that the information appearing in this prospectus or any applicable prospectus supplement is accurate as of any date other than the date on the front cover of this prospectus or the applicable prospectus supplement, or that the information contained in any document incorporated by reference is accurate as of any date other than the date of the document incorporated by reference, regardless of the time of delivery of this prospectus or any prospectus supplement or any sale of a security. Our business, financial condition, results of operations and prospects may have changed since such dates.

This prospectus is part of a registration statement on Form S-3 that we filed with the Securities and Exchange Commission, or the SEC, using a “shelf” registration process. Under this shelf registration process, we may sell any combination of the securities described in this prospectus in one or more offerings up to a total dollar amount of $400,000,000. This prospectus provides you with a general description of the securities we may offer. Each time we sell securities, we will provide a prospectus supplement that will contain specific information about the securities being offered and the terms of that offering. The prospectus supplement may also add to, update or change information contained in this prospectus. You should read both this prospectus and any prospectus supplement together with the additional information described under the heading “Where You Can Find More Information” carefully before making an investment decision.

The rules of the SEC allow us to incorporate by reference information into this prospectus. This means that important information is contained in other documents that are considered to be a part of this prospectus. Additionally, information that we file later with the SEC will automatically update and supersede this information. You should read this prospectus, any prospectus supplement and the information that is incorporated or deemed incorporated by reference in this prospectus. See “Incorporation by Reference.” The registration statement, including the exhibits and the documents incorporated or deemed incorporated in this prospectus can be read on the SEC website or at the SEC offices mentioned under the heading “Where You Can Find Additional Information.”

In this prospectus, “G-III,” “we,” “us,” and “our” refer to G-III Apparel Group, Ltd., a Delaware corporation, together with its subsidiaries. References to fiscal years refer to the year ended or ending on January 31 of that year. For example, our fiscal year ended January 31, 2012 is referred to as “fiscal 2012”. 

G-III designs, manufactures and markets an extensive range of apparel, including outerwear, dresses, sportswear, swimwear, beachwear, women’s suits and women’s performance wear, as well as luggage and women’s handbags, small leather goods and cold weather accessories. We sell our products under our own proprietary brands and labels, which include Vilebrequin, Andrew Marc, Marc New York, Jessica Howard, Eliza J and Black Rivet, licensed brands and private labels. G-III also operates outlet stores under the Wilsons Leather and Andrew Marc names, and operates and franchises Vilebrequin retail stores. While our products are sold at a variety of price points through a broad mix of retail partners and our own stores, a majority of our sales are concentrated with our ten largest customers.

We are a Delaware corporation that was formed in 1989. We and our predecessors have conducted our business since 1974. Our executive offices are located at 512 Seventh Avenue, New York, New York 10018 and our telephone number is (212) 403-0500. Our website is http:/​/​www.g-iii.com. The information on our website is not part of this prospectus.

Investing in our securities involves significant risks. Please see the risk factors under the heading “Risk Factors” in our most recent Annual Report on Form 10-K for the year ended January 31, 2012 and our Quarterly Report on Form 10-Q for the quarterly period ended July 31, 2012, which are on file with the SEC and incorporated by reference in this prospectus, and in the documents and reports that we file with the SEC after the date of this prospectus that are incorporated by reference into this prospectus, as well as any risks described in any applicable prospectus supplement. Before making an investment decision, you should carefully consider these risks as well as other information we include or incorporate by reference in this prospectus and any prospectus supplement. The risks and uncertainties we have described are not the only ones facing our company. Additional risks and uncertainties not presently known to us or that we currently deem immaterial may also affect our business operations.

Statements in this prospectus (including the documents incorporated by reference) concerning our business outlook or future economic performance, anticipated revenues, expenses or other financial items, product introductions and plans and objectives related thereto, and statements concerning assumptions made or expectations as to any future events, conditions, performance or other matters, are “forward-looking statements” as that term is defined under the Federal securities laws. Forward-looking statements are subject to risks, uncertainties and other factors which could cause actual results to differ materially from those stated in such statements. Such risks, uncertainties and factors include, but are not limited to:

We cannot guarantee that we actually will achieve the plans, intentions or expectations disclosed in our forward-looking statements and you should not place undue reliance on our forward-looking statements. There are a number of important factors that could cause our actual results to differ materially from those indicated by these forward-looking statements. These important factors include the factors that we identify in the documents we incorporate by reference in this prospectus, as well as other information we include or incorporate by reference in this prospectus and any prospectus supplement. See “Risk Factors.” You should read these factors and other cautionary statements made in this prospectus and any accompanying prospectus supplement, and in the documents we incorporate by reference, as being applicable to all related forward-looking statements wherever they appear in the prospectus and any accompanying prospectus supplement, and in the documents incorporated by reference. We do not assume any obligation to update any forward-looking statements made by us, except as required by law.

The following is presented to reflect the retrospective application of a new accounting pronouncement with respect to the financial information contained in our Annual Report on Form 10-K for the year ended January 31, 2012. Effective February 1, 2012, we adopted Accounting Standards Update No. 2011-05, “Presentation of Comprehensive Income,” as amended by Accounting Standards Update No. 2011-12, “Deferral of the Effective Date for Amendments to the Presentation of Reclassifications of Items Out of Accumulated Other Comprehensive Income.” These updates require that all nonowner changes in stockholders’ equity be presented either in a single continuous statement of comprehensive income or in two separate but consecutive statements and eliminate the option to present components of other comprehensive income as part of the statement of changes in stockholders’ equity. These updates do not, however, change the items that must be reported in other comprehensive income or the determination of net income. The new guidance is to be applied retrospectively. The adoption only impacted the presentation of our consolidated financial statements.

The following selected financial information revises historical information to illustrate the new presentation required by this pronouncement for the periods presented. This data should be read in conjunction with our audited consolidated financial statements and the accompanying notes for the year ended January 31, 2012 as included in our Annual Report on Form 10-K, which is incorporated by reference in the prospectus.

The following table sets forth the ratio of earnings to fixed charges for each of the last five fiscal years and for the six months ended July 31, 2012. In calculating these ratios, earnings include pre-tax income or loss from continuing operations plus fixed charges. Fixed charges include interest expensed and estimated interest within rental expense. We have never issued shares of preferred stock and, accordingly, have not paid any dividends on shares of preferred stock during the periods indicated, therefore the ratio of earnings to fixed charges and preferred stock dividends are identical to the ratios presented below for all such periods.