Trek through the backcountry in comfort with the Rossignol BC X6 Cross Country Ski Boot. The Thinsulate Liner provides lots of warmth and comfort as you navigate through the woods, no matter the temperature. Boot volume can be changed to your liking with the Thermo Adjustable Fit providing your own custom feel. The Adjustable Strap adds stability for better feel and helps with navigating the trails. Added durability with the Cordura Lace Cover which provides protection for your laces as well as added longevity of the boot. Explore the backcountry with the Rossignol BC X6 NNN Cross Country Ski Boot. Only Compatible with NNN BC Bindings, Cordura Lace Cover, NBC Sole, Adjustable Strap, Thermo Adjustable Fit, Thinsulate Liner, Warranty: One Year, XC Ski Best Use: Backcountry, Compatible Binding System: NNN BC, External Frame: Yes, Covered Laces: Yes, Insulation Material: Thinsulate Insulation, Ski Gear Intended Use: Cross Country, Support: Off Trail Performance, Warmth: Warmer, Model Year: 2022, Product ID: 614793, Shipping Restriction: This item is not available for shipment outside of the United States., Model Number: RIIW850.370, GTIN: 3607682984160