Nike Womens Free TR Flyknit Running Trainers 718785 Sneakers Shoes Rubber sole Synthetic-and-fabric, Flyknit Upper, Rubber sole Nike Flyknit upper creates a seamless, lightweight, and secure fit like no other shoe. Phylite midsole provides lightweight cushioning. Strategically placed rubber pods on the outsole add traction and durability. Approx. 1" Heel Height, .50 Platform