This women's binding is made with aircraft-grade aluminum for maximum durability. It has lots of adjustability from the heelcup and the Wedgie footbed to the combo toe/cap strap. The highback on the VXN binding has a women-specific design, offering you a better fit and improved control. To ensure your ride is smooth and comfy, Ride added an impact-absorbing EVA footbed underneath. Specs: Design: All-Mountain Flex: 4 (on 1 (soft) to 10 (stiff) scale) Mounting: Universally compatible Features: Aircraft grade Aluminum Edge™ Chassis System is light and durable Adjustable Heelcup for a customizable fit Women-specific Slingback™ Highback for smooth flex and support Wedgie™ footbed cushions the foot and improves leverage for better control EVA Basepad under the binding absorbs vibration RAD™ Ankle Strap offers comfortable support ThinGrip™ strap can be worn as cap strap or toe strap AstroGlyde™ OG Ratchets made from durable aluminum Forged Aluminum Micro-Disc mounting improves flex and reduces dead spot