The X2 is an introductory touring boot with warmth and stability for all-around use. The boot's tall cuff and zip-up lace cover seal out snow, while a Thinsulate lining wraps your foot for warmth. The touring-specific sole and lateral heel support provide stability for all-around trail skiing. Ski Control, Walkability. The Sport Sole features Tech Grip for comfortable walking and central insert cleats for maximum precision and control on the ski. Extra Warmth. 3M Thinsulate heat-retaining insulation delivers increased warmth in damp and cold conditions for all-day comfort and warmth. Women's Fit. Our FW Fit offers reduced instep volume and narrower fit from midfoot through heel for increased comfort and precision. Customizable Fit, Comfort. Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort.Lining: Polartec Thermo Adjustable Fit. Construction lower: PVC. Lacing system: Speed Lace Lock. Lace cover: PVC. Construction upper cuff: PVC. Heel: Lateral plastic reinforcement. Sole: Touring. Weight: 1000 g/pair (size 42).