Set your own tracks in the 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.Precise Boot Flex, Fit:- Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penaltyStability, Control:- A wide Rottefella Nordic BC sole delivers the stability and control for wider skis and varied snow conditionsExtra Warmth:- 3M Thinsulate™ heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmthCustomizable Fit, Comfort:- Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfortSpecifications:Product: - Weight: 1100g/paioFabrics:- Lining: Polyester Thermo Adjustable Fit THINSULATE- Construction lower: PVC/Cordura- Lacing system: Laces- Lace cover: PVC/Cordura- Construction upper cuff: 3D Injection + Soft Touch protection- Heel: External 3D plastic reinforcement- Closing system: Tongue + metallic hookTechnology:Nbc sole:- Designed for backcountry Nordic boots, the NBC SOLE is manufactured by Rottefella with a wider sole and rotation axle, delivering superior stability for every snow conditionDual core:- As you drive and flex into your boots, DUAL CORE actively compresses and expands - harnessing potential energy to deliver explosive power, snap, and rebound. Imagine World Cup precision and response, easy entry-and-exit, and a new level of ski boot performance as reactive and dynamic as your own body.- Thermo adjustable fit:- Thermoformable materials are heated so that boot volume can be changed. - The boot adapts itself to the foot. - Tailor-made- Comfort- Precision- Feel.