Under Armour Speedform Miler Pro Athletic Shoe Textile, EVA, Plastic Imported Synthetic sole Shaft measures approximately low-top from arch Lightweight & highly breathable mesh upper reinforced with Flex Gear for increased durability & superior fit Sock-like burrito tongue construction for precise fit & foot guidance EVA foam midsole for shock absorption, cushioning & comfort 3/4 length Pebax plate is ultra- strong, ultra-lightweight & delivers flexible support where you need it most 6-pin track spike construction gives you perfect traction to reach & maintain top speeds