K2 BFC 100 BOA Men's Ski Boots Out-of-the-box comfort meets true on-snow performance in the all-new BFC 100 BOA. Designed for advanced skiers who prefer a roomier fit, the brand new Cushfit Plus liner and slimmed-down heat-shapeable shell combine to create a boot that accommodates a wide variety of feet. Details Category All Mountain, Comfort, 2 Piece Ski Boots Collection BFC Product Weight(g) 2,045g @ 26.5 Flex Rating 100 Ski Boots Volume High Ski Boot Last (mm) 103mm Ski Boots Shell TPU Ski Boots Cuff Material PP Ski Boots Liner Cushfit Plus Ski Boots Strap 40mm Velcro Ski Boots Outsole GripWalk Best For Freestyle, Park, Piste Flex/Feel 5/10 Hands Free Entry: Dual material overlap for intuitive and easy hands-free exit and entry. CushFit Plus Designed with a blend of open-cell and EVA foam for an extremely comfortable, warm, and supportive fit. GripWalk The sole-binding system for better walking comfort and top skiing performance. GripWalk contains of a new co-polymer sole with rocker profile. The convex shape and ribbed tread of the rubber add a lot of walking comfort and provide a much better grip. Still, integrated pads made of stiff and rigid materials, enable great power transmission and more precise release function of the binding. GripWalk soles are the perfect tuning parts designed for selected premium ski boots and bindings.