Head's Reclining Highback provides easy entry, a secure, comfortable hold and precision support and power transfer; Combining the security of conventional bindings with the simplicity of easy entry for fast open and close action in all conditions; The FT1 Base features a lightweight PA frame construction that delivers maximum power transmission; LYT-Frame Ankle Strap - A lightweight, single-component strap that snugly folds around your boot for perfect support in the bindings; Toe and Heel Basepads are EVA cushions installed to absorb shocks and chatter; 3D Flex Toe Straps delivers a firm yet comfortable hold; Its form conforms snugly around the toe of the boot and gives a positive, progressive ride; Size: S (22.5-24.5), M (25.0-27.0), L (27.5-29.0), XL (29.5-31.5)