The Rossignol AllTrack Pro 100 is an awesome option for intermediate to advanced level skiers with a medium width forefoot and medium calf volume. Thinner plastic is used in the cuff and shell for a lightweight feel but has rigid reinforcements in key zones where energy is transferred from the boots into the skis. The fully customizable liner can be heat molded for a custom fit to your foot enhancing comfort and warmth for the best feel while out on the slopes. The added Hike Mode allows you to unlock the cuff from the shell for easier walking strides whether you're hiking in the backcountry or walking to the resort bar at the end of the day. Get your feet into a versatile boot with the Rossignol AllTrack Pro 100. Best Fits Medium Width Forefoot and Medium Calf Volume, Generative Design Grid- A thinner cuff and shell with added rigidity and power in the key areas., Dual Core- A double injection process that creates reinforced areas for better power transmission and boot rigidity., Hike Mode- Releases the cuff from the shell for 50 degrees range of motion., Custom T3 Liner- Full customizable liner with Thinsulate insulate for maximum comfort and warmth., Actual Flex: 100, Cuff Alignment: None, Warranty: One Year, Ski Boot Width: Medium (99-101mm), Flex: Stiff, Used: No, Ski/Walk: Yes, Forefoot Width: 100mm, Flex Adjustment: No, Buckle Count: 4, Category: Downhill, Ski Gear Intended Use: All Mountain, Instep Height: Medium, Calf Volume: Medium, Skill Range: Intermediate - Advanced, Model Year: 2022, Product ID: 916070, Shipping Restriction: This item is not available for shipment outside of the United States., Model Number: RBK3080.265, GTIN: 3607683760312