The Fischer XC Pro Cross Country Ski Boots are a great option for beginning recreational skiers who want a boot to get started. The Internal Molded Heel Cap provides proper heel place, avoiding heel slippage and any possible blisters. Fischer Fresh helps keep nasty odors and smells out while the Lace Cover prevents snow for coming into the boot. Get started off right with the Fischer XC Pro NNN Cross Country Ski Boot. Compatible with Turnamic, NNN, and Prolink Bindings, Internal Molded Heel Cap- Provides proper heel support, avoiding any slippage for a tight hold., Lace Cover- Keeps unwanted moisture out for dryer feet not matter the conditions., Fischer Fresh- Helps avoid nasty odors for fresh boots all the time., Warranty: One Year, XC Ski Best Use: Groomed, Compatible Binding System: NNN, External Frame: No, Covered Laces: Yes, Insulation Material: NA, Ski Gear Intended Use: Cross Country, Support: On Trail Recreational, Warmth: Warm, Skill Range: Beginner - Intermediate, Model Year: 2022, Product ID: 616840, Model Number: S21720-41, GTIN: 9002972503214