New in box Size 11 White / platinum Lightweight responsive foam and a lace-free design help make the Nike React Phantom Run Flyknit 2 the ultimate in comfort for the everyday runner. Flyknit technology in the upper adds secure support while Nike React foam in the midsole helps cushion your every stride. Flyknit Loft is the latest update to the popular material. 3 forefoot layers combine for a lightweight and breathable feel that helps keep your foot comfortable. More Benefits Molding around the heel helps keep you feeling secure so you can focus on your route.