Rubber sole Flywire technology features an elastic design that intertwines with the Flyknit upper, helping your foot feel secure as you run. 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. Molding around the heel helps keep you feeling secure so you can focus on your route. Increased rubber at the outsole helps deliver better traction and durability. Nike React technology delivers a soft, responsive ride. 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. Pops of purple and blue add an energizing touch.