The Nidecker Kaon-X Snowboard Bindings provide great fit and performance for high-powered freeriders, meticulous ice-carvers, and ruthless all-mountain explorers. Featuring nylon asym Hadron Hibacks and glass-filled Axis.N1-Series baseplates and heelcups, these bindings are lightweight and deliberate. Strap in using the super smooth Axion ratchets and experience seamless edge-to-edge energy transfer thanks to the ExoFrame ankle strap and Hexo toecap. Product Details Baseplate Axis.N1-Series Baseplate – Nylon baseplate with an asymmetrical design for optimal energy transfer. Off-axis PowerBeams and asymmetrical rocker-corners offer direct and balanced power transfer. Nylon Multidisk – 4HP + 3HP + Channel Highback Asym Hadron-Hiback – Lightweight nylon hiback with asymmetrical contour to perfectly fit Nidecker's asymmetrical boot cuffs, especially at canted riding angles. Straps ExoFrame Ankle Strap with Aux Tech Hexo Toe Cap with Aux Tech – A 3D Hinged Auxetic pattern for unmatched formfitting the toebox of your boot. Buckles Aluminum Axion Ratchets – Based on a tried and true design, Nidecker Axion ratchets with aluminum levers are smooth as butter to get you in and out of your straps with ease. Additional Features Glass-Filled Nylon Heelcup Use this chart to find the right binding size US Youth & Men's US Women's EU UK Japan / Mondo S 2.0 - 4.5 5.5 - 6.0 33.0 - 36.0 1.0 - 3.5 20.5 - 22.5 M 5.0 - 8.0 6.5 - 9.5 37.0 - 41.0 4.0 - 7.0 23.0 - 26.0 L 8.5 - 11.0 10.0 - 11.0 41.5- 44.5 7.5 - 10.0 26.5 - 29.0 XL 11.5 - 14.0 - 45.0 - 48.5 10.5 - 13.0 29.5 - 31.5