Train or race. The X8 Skate ski boot is designed for fitness oriented skiers and junior racers. It features a race inspired build that shares technology with our athlete proven X-ium series for increased precision and power transfer. The skate specific, low-profile sole delivers a natural foot roll for efficient skating, 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 WINTHERMA(R) 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 Product SKU: RIK1280 000 Weight: 1250 gr/42 Fabrics Lining: Polyester + Win Therm active membrane Construction lower: Performance PVC Technologies Lacing system: Laces Construction upper cuff: 3D Injection Dual Core Heel: 3D plastic reinforcement Dual Core Other Features Size conversion: 36 - 49