Key Features of the Head The Show Ski Boots White: Level: AdvanceSL ShellHeatFit LinerSport Frame Footbed50mm Velcro Strap2 Micro Adjustable Alloy Buckles1 Micro Adjustable Wide Body Alloy Buckles1 Super Macro RatchetBi-inj Power Control FrameSoft Walk Heel + Grip SystemFlex Index: 90