Black Diamond Women's Trance Ski Boot 7" high 17" wide LEFTnotruc(Female-specific construction, less touring resistance and softer flex than Freeride Series telemark boots,500) Triax Tour Frame with Flex 100, Mid Stiff bellows and locking Quick Wire cuff buckles Optimized ankle flexion for an ideal balance of cuff-to-bellows flex Women's Efficient Fit Tele Liner with 1: 1 Boa closure system features a warm aerogel-insulated Strobel base and articulating zones for touring comfort Compatible with 3-pin bindings