evo.com | K2 Alpine Ski Boots > The K2 FL3X Revolve KF Ski Boots are the launch pad for Karl Fostvedt's signature send-it's full throttle or nothing. With an updated even beefier flex of 130, and a comfy Intuition Pro Wrap liner, they're built to handle high-speed pillow drops, sketchy landings, and rowdy side hits like it's just another day at the office. If your idea of fun is turning natural features into a playground and going all out, these boots are your ride-or-die. 3 Revolve Alloy Last: 99mm A slightly narrower than average fit for most feet. Intuition Pro Wrap Liner Slip into the Intuition Pro Wrap, and experience unmatched ankle retention and pressure-free performance. Crafted out of Intuition(R) Foam, the Intuition Pro Wrap offers the added comfort and performance your boot is missing. 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. Shell TPU (Thermoplastic Urethane) | K2 FL3X Revolve KF Ski Boots 2026 - 28.5 | Plastic