Zara is a large Spanish clothing retailer with over 1700 stores in 78 countries. It practices fast fashion, moving trends from runways to stores within weeks instead of months. Zara's supply chain undergoes constant changes to launch approximately 11,000 new items per year and sustain its competitive advantage. Inventory is kept low at only 1 month worth to attract customers more frequently. Zara produces around half of its items in-house and uses local suppliers to quickly fulfill orders and respond to changing demands.