DECENT FEATURES of the Black Diamond Fritschi Diamir Freeride Pro w/L 108mm Providies superior power transmission and safety, even at high speeds Perfect bindings for uphill and downhill treks Binding with optimally placed rotation point Rotating tow piece offers lateral release with long elasticity of 20mm to the left and right Sliding Binding Bar between the toe and heel pieces allowing best natural flex and full edge grip along the entire ski PTC (Power Transmission Control) Technology ensures power transmission straight through to the ski for higher lateral stability Automatic Heel Release only releases after a long dynamic travel of 13mm Ability Level:Intermediate - Advanced Weight:2190g/pair