GF Profusion Chasis Integrated fiberglass materials combine with a classic shape to deliver a lightweight and rugged framework that is the go-to standard in the K2 binding collection. AT Nylon Highback Stiff, durable, and temperature resistant nylon provide maximum responsiveness and support. Customize our forward lean without the need for tools or a traditional forward lean block. Gap Eraser Forward Lean Gap Erasertechnology completely eliminates all gapping between the boot, highback, and heel cup, creating an even stronger bond between you and your snowboard. Better contact means better response. Bender Ankle Strap Twist and shout. Our Bender™ strap is our most flexible padless ankle strap option. We created it to improve freestyle mobility and help you tweak until those bindings creak. Perfect Fit 2.0 Toe Strap Patented toe strap technology that uses flexible hinges and lock levers to custom fit the toe strap to any snowboard boot silhouette. 3° Canted Footbed Canted 3° to match your natural leg position during riding. More support to the outside of the foot provides improved control while reducing fatigue. 100% Tool-Less Adjustments Once mounted to your board, all strap and highback adjustments can be done on-the-fly without the need for screwdrivers or other tools. Aluminum Ratchet Aircraft-grade aluminum is used to make the most bombproof ratchets on the market. 4" Multi-Compatible Mount Disc Compatible with our ProFusion™ Chassis, the 4" Multi-mount disc focuses on power transfer and lets you mount your snowboard binding to 4-hole and channel mounts. K2 Formula Snowboard Bindings Mens