Come and see our amazing products! It is made of polyester fiber.Adjustable tension, advanced pressure technology, bidirectional winding pressure soft nail fit ankle joint, free press comfortable, stable ankle joint, reduce injury, soft and comfortable.Suitable for running, basketball, daily sports and so on. This is size L for those with feet in the 14.5" to 15.7" range Pls confirm with us about the packing info, stock color and exact production time before placing your order