The new B.F.C. 90 W Heat from K2 is a very warm and accommodating boot for ladies who have a medium to wide forefoot and medium to wide calf volume. An integrated Therm-ic heating system in the liner can provide up to 19 hours of warmth. Three heat settings and an easy to recharge system will keep you warm and toasty. K2's Powerfuse Spyne delivers forward flex power for additional stability and a strong amount of rebound for added control. A Hands Free Entry design is effortless to slide your foot into in the morning and out of in the afternoon. K2 has added the Apres Mode and a Natural Stride to the B.F.C. 90 W to make this one of the easiest ski boots to walk in when you flip up the lever on the rear spine of the shell. If you want a very accommodating fit that skis great and is easy to walk in, that keeps you very warm the K2 B.F.C. 90 W is the boot for you. Best Fits a Medium to Wide Forefoot and Medium to Wide Calf, Integrated Therm-ic Heating System, Natural Stride/Stance, CushFit Liner, Apres Mode, Powerfuse Spyne, Cuff Alignment Index, Hands Free Entry, Actual Flex: 90, Cuff Alignment: Single, Warranty: One Year, Ski Boot Width: Medium Wide (102-103mm), Flex: Stiff, Used: No, Ski/Walk: Yes, Forefoot Width: 103mm, Flex Adjustment: No, Buckle Count: 4, Category: Downhill, Ski Gear Intended Use: All Mountain, Instep Height: High, Calf Volume: High, Skill Range: Intermediate - Advanced, Model Year: 2019, Product ID: 519140, Shipping Restriction: This item is not available for shipment outside of the United States., Model Number: S181901701235, GTIN: 0886745769019