Fast fashion is the business model of replicating recent catwalk trends and high-fashion designs, mass-producing them at a low cost, and bringing them to retail quickly while demand is at its highest. The term fast fashion is also used generically to describe the products of this business model, particularly clothing and footwear. Retailers who employ the fast fashion strategy include Primark, H&M, Shein, and Zara, all of which have become large multinationals by driving high turnover of inexpensive seasonal and trendy clothing that appeals to fashion-conscious consumers.

Industria de Diseño Textil, S.A. is a Spanish multinational clothing company headquartered in Arteixo, Galicia, Spain. Inditex, the biggest fast fashion group in the world, operates over 7,200 stores in 93 markets worldwide. The company's flagship brand is Zara, but it also owns a number of other brands such as Zara Home, Bershka, Massimo Dutti, Oysho, Pull&Bear, Stradivarius, Uterqüe and Lefties. The majority of its stores are corporate-owned, while franchises are mainly conceded in countries where corporate properties cannot be foreign-owned.