Train or race. The X8 SC combi ski boot is designed for fitness oriented skiers and dual discipline racers. It features a race inspired build that shares technology with Rossignols athlete proven X-ium series for increased precision and power transfer. The low profile sole delivers a natural foot roll for efficient skiing, while the locked-in feel and thermo-moldable design provide a precise, enveloped fit to deliver ultimate comfort and control. Precise Boot Flex, Fit Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penalty Ski Control, Walkability The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski Breathable Warmth WINTHERM offers a breathable micro-perforated membrane that reflects heat back towards its source for incredible temperature regulation, comfort and warmth Customizable Fit, Comfort Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort