evo.com | K2 Alpine Ski Boots > The K2 Revolve Pro ski boots are your ticket to sending it big with featherlight freedom and freestyle flair. Built for park rats and mogul masters alike, these boots are among the lightest in the game, making spins, grabs, and stomps feel effortless. They feature a fully heat-moldable Revolve Shell, 100 flex, and an Intuition Pro Wrap liner providing a customizable fit and responsive control for skiers who live to play on the mountain, and who doesn't love that extra pop of color?! Fully Heat Moldable Both the boot's shell and cuff are capable of being heat molded to a variety of foot shapes for a truly custom fit. 3 Revolve Alloy Last: 99mm A slightly narrower than average fit for most feet. Flex: 100 A medium stiff flex for advanced skiers. ISO 5355 Alpine Soles | K2 FL3X Revolve Pro Ski Boots 2026 - 27.5