Stability, Control - A wide Rottefella Nordic BC sole delivers the stability and control for wider skis and varied snow conditions Freedom and Control - Our Mobile Cuff optimizes fore/aft freedom and torsional rigidity for total control Extra Warmth - 3M Thinsulate™ heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth Customizable Fit, Comfort - Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort Rossignol Backcountry Nordic X 6 Boot Mens