evo.com | K2 Alpine Ski Boots > The K2 Anthem RX BOA Ski Boots bring the same rental-ready durability as the Recon RX, tuned to an 85 flex built for how women actually ski. The BOA Fit System delivers a precise, tool-free fit while the Powerfuse Spyne and Energy Interlock channel your energy straight into the edges for confident turns. Add a plush LuxFit liner, non-tapered velcro strap, and a walkable Gripwalk outsole, and you've got a boot that keeps pace through a demanding season on the rental wall. 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. Last: 100 mm Performance medium fit for people with normal width and volume feet. Flex: 85 A medium stiff flex for intermediate to advanced 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. | K2 Anthem RX BOA Ski Boots 2025 - 26.5 | Plastic