Train or race. The X8 Classic ski boot is designed for fitness oriented skiers and junior racers. Its race inspired design shares technology with an athlete proven X-ium series to deliver increased precision and power transfer with an accessible flex for fitness and recreational use. The classic specific sole delivers a natural foot roll for an efficient kick, while the locked-in fit and thermo-moldable design provide a precise, enveloped fit to deliver ultimate comfort and control. Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penalty. The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski. Wintherm offers a breathable micro-perforated membrane that reflects heat back towards its source for incredible temperature regulation, comfort and warmth. Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort.  Precise Boot Flex, Fit