evo.com | K2 Alpine Ski Boots > K2 Anthem 115 BOA Ski Boots gain a brand-new BOA Fit System lower closure to bring comfort and performance to a whole new level. Our testers have been impressed with the BOA's ability to "wrap" the shell over the top of their feet, as well as being able to run the tension high with greater comfort or low with greater control. Gimmick? Wait until you try them, you'll be a believer. Shell TPU (Thermoplastic Urethane) GripWalk ISO 23223 Outsoles Removable and interchangeable rockered soles designed to work with GripWalk binding systems for better grip and comfort while walking, standing, and hiking. Flex: 115 A stiff flex suitable for advanced to expert level skiers. BOA(R) Fit System The BOA(R) Fit System provides a performance fit engineered to enhance feel and responsiveness while reducing pressure points by incrementally modulating the Alpine boot closure with precise micro-adjustments. MultiFIT Last: 97 - 100mm The MultiFit Last was developed in conjunction with the BOA(R) Fit System to accommodate a variety of foot shapes ranging from 97mm to 100mm eliminating the need for multiple last option (LV, MV). | Women's K2 Anthem 115 BOA Ski Boots 2024 - 25.5 | Plastic