Focus on your form and fitness with top-level performance. The Rossignol X9 SC ski boots offer responsive, World Cup-inspired control for beginner and intermediate nordic skiers. The combination design lets you use the same boot for skate and classic skiing. They feature 100% recycled materials in the cuff and heel counter for consistent power transfer and race-inspired technology from our X-ium line for top-level performance. Speed lacing makes for quick tensioning, and an over boot with a central zipper to seal out snow. They are insulated for warmth and protect your feet from wind and moisture. 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