The Rossignol BC X2 Cross Country Boot is a great option for someone who is looking to get into the world of cross country skiing. Added durability with the Cordura Lace Cover which provides protection for your laces as well as added longevity of the boot. Boot volume can be changed to your liking with the Thermo Adjustable Fit providing your own custom feel. Explore Mother Nature with the Rossignol BC X2 Cross Country Boot. Only Compatible with NNN BC Bindings, NBC Sole, Thermo Adjustable Fit, Cordura Lace Cover, Warranty: One Year, XC Ski Best Use: Backcountry, Compatible Binding System: NNN BC, External Frame: Yes, Covered Laces: No, Insulation Material: Polyester, Ski Gear Intended Use: Cross Country, Support: On Trail Recreational, Warmth: Warm, Model Year: 2022, Product ID: 614813, Shipping Restriction: This item is not available for shipment outside of the United States., Model Number: RIIW810.370, GTIN: 3607683189779