Crampons: Titanium crampons for lightweight, reliable performance. Frame: Extruded 6000 Series aluminum tube V-tail design; powder coated metallic red Decking: Hypalon II; black with red stripes Hinge: Live action hinge lifts the tail of the shoe from the snow with every step- for added mobility and speed. Binding: Cross Country-- Ultra light bindings made from Hypalon II and urethane straps which cinch down to any running shoe or light hiking boot. Flexibility. Range of motion. Secure fit.