HeelWrap platform is designed for fool-proof simplicity with a supportive, ride-anything flex; Kink Straps are designed to allow riders to choose from two different ankle strap positions on the boot; ProFlex Ankle Straps, powered by AuxTech, provide advanced hold, energy transfer and connected comfort; Powered by AuxTech, ProGrip Toe Straps provide next level, locked-in hold and grip; AuxTech is a game changing pattern in ankle and toe straps. Auxetic patterns are geometric patterns that become thicker perpendicularly when stretched; Highback Materials: 100% Nylon; Baseplate Materials: 30% Carbon, 70% Nylon. A powerful and hyper response boost of carbon for hard-charging bindings; Forged Aluminum heelhoop for lightweight strength and durability; 2deg Dual-density canting footbed