● Size: L ● ankle thickness: 22.0 ~ 25.0 (23.5) cm ● calf thickness: 36.0 ~ 42.0cm ● material: nylon, polyurethane ● according to the thickness of the thinnest part of the ankle (the value 2 please select whichever is) close to the center of the size If you across size. The thickness of the calf is an approximation. If the difference between the ankle size and calf size is greater than or equal to 2 size, not the application of this product.