The patented three dimensional design of the FTM NAKED toe strap readily conforms to any boot shape. The core is constructed of two strips of TPU that lock your boots to your bindings for powerful slip-free linkage. * "UU Fit" a patented Flux original this design secures the ends of our binding straps to the heelcup and highback. This allows the ankle strap to better transfer power and minimize pinching. * Optional two and three hole mounting discs are available for all types of mounting systems. * "Tool-less" Adjust your binding without tools. * Spend more time riding we have the most durable binding on the market.