Key Features of the Head Dream 80 Mya Ski Boots Pearl: Level: AdvanceSL ShellWomen"s Heat Fit LinerFleece Lining and Thermaluxe TipsSelf Shaping Footbed with Sanitized30mm Velcro StrapPrepared for Heating System4 Micro Adjustable Spine Tech Magnesium Buckles1 Super Macro ratchetEasy Entry instep ratchetAdjustable Wedge Arch supportDouble CantingDouble Adjustable ProfileWomen"s Specific Supportive Heel optionFlex Index: 80