The Atomic Redster Club Sport 90 LC is a fantastic race boot for aggressive junior racers or the light weight high school athlete. Atomic's Progressive Race Shell is made from thicker, softer material that has a powerful energy transmission while allowing for a feel for the snow below your skis. An Integrated 3mm Lift allows for better leverage and easier steering of your skis. The Memory Fit Shell allows an Authorized Atomic Dealer to mold the shell to match the shape of your foot for a true customized fit. Atomic's Silver Liner also has heat moldable zones in the heel and ankle pockets for additional comfort and performance. The Low Cuff Design allows for a greater range of motion and added control as your racer flies through the bamboo. Best Fits a Narrow Forefoot and Narrow Leg Shape, Progressive Race Shell, Memory Fit Shell, Integrated 3mm Lift, Low Cuff, Silver Liner, 16/18 Degree Forward Lean, Actual Flex: 90, Cuff Alignment: Dual, Warranty: One Year, Ski Boot Width: Narrow (95-98mm), Flex: Very Stiff, Used: No, Ski/Walk: No, Forefoot Width: 96mm+ Memory Fit, Flex Adjustment: No, Buckle Count: 4, Category: Race, Ski Gear Intended Use: Race, Instep Height: Standard, Calf Volume: Standard, Skill Range: Advanced Intermediate - Expert, Model Year: 2019, Product ID: 525457, Model Number: AE501706023X, GTIN: 0887445122302