As soon as designers spot certain trends, Zara, the world's largest fashion chain, creates sketches and orders fabrics without finalizing designs. This speeds things up because fabric suppliers require a long lead time. Designs are finalized when reliable data from stores come and then production commences as soon as designs are complete. Zara concentrates most of its production in-housein Zara-owned factories in its home country Spain and nearby Portugal and Morocco. Its factories only run one shift, easily allowing for overtime production if demand calls for it. In the world of fast fashion, Zara can design, produce, and deliver a new garment to its 2,000 stores worldwide in a mere 15 daysa pace that is unheard of in the industry. Zara is able to do this because of what "A" of their supply chain