MORE SHRED LESS BREAD Built to last and push riders of all levels to progress and max out the fun. Solid Pro-Fusion chassis design coupled with the proven Airframe highback. The 2012 K2 Sonic Binding lets you forget about your bindings and focus on the good times. Key Features of the K2 Sonic Snowboard Bindings: Pro-Fusion PC Chassis Caddi Ankle Strap Tool-Less Universal Toe Strap Chassis: Pro-Fusion PC Highback: Airframe Ankle strap: Caddi Strap Features: NEW Cam-Lock Centering Toe Strap: Tool-Less universal Ratchet: NEW PC Smooth Ratchets Disc: Multi-Compatible Footbed: Formed EVA Shockpads, Adjustable Power Ramp