The Mach1 LV 115 W is focused on performance, fit and customization in women 's high-performance ski boots. An anatomically shaped 98mm low volume shell and a women's specific liner with Custom Adaptive Shape - C.A.S. - technology, provides a great fit right out of the box but allows the boots to be fully customized if need be. T-Drive technology allows the boot to function more efficiently. The Mach1 LV 115 W is the go-to boot for the ladies who want to shred the whole mountain at the highest level. Tecnica Mach1 LV 115 Ski Boots Womens | Navy | 26.5 | Christy Sports