Details Set your own tracks in the Rossignol BC X10 backcountry ski boot. The lightweight design blends touring mobility with downhill control in an insulated, thermo-moldable build. The pre-molded and hinged external cuff provide stability and control in untracked snow. A tall external gaiter and lace cover seal out snow for dry feet, while a Thinsulate™ lining helps keep feet warm. Skiing Style Backcountry Liner Polyester Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort 3M Thinsulate™ heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth Closure Laces PVC/Cordura Lace Cover Tongue and metallic hook closing system 3D Injection and Soft Touch protection Velcro strap Cuff 3D Injection and New Soft Touch Protection Mobile Cuff: Optimal freedom of fore/aft movement combined with torsional rigidity for total control. Outsole NNN BC A wide Rottefella Nordic BC sole delivers the stability and control for wider skis and varied snow conditions Details Heel: External 3D Plastic Reinforcement Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penalty Weight 1100 g/pair (size 42) Rossignol BC X10 Boot 2021/22