2027 Men&';s K2 Thraxis Snowboard Boots The 2027 Men&';s K2 Thraxis Snowboard Boots are K2&';s most advanced and supportive all-mountain boots, built for riders who demand maximum precision and response. Rated at a 10/10 flex, the Thraxis features the new H5 Triple BOAA(R) Fit System, allowing independent adjustment of the upper shell, lower shell, and K2&';s Conda(TM) BOAA(R) liner for an exceptionally precise fit and industry-leading heel hold. The heat-moldable Intuition(TM) Pro Foam 3D Liner delivers premium comfort and support, while Endo(TM) 3.0 construction maintains consistent flex season after season. Finished with a VibramA(R) V5 Outsole with Harshmellow(TM) cushioning and a Harshmellow(TM) Plus Insole, the Thraxis is built for aggressive riders tackling the steepest lines and most demanding conditions. Who are these boots best for? Advanced-Expert riders looking for K2&';s most responsive snowboard boot with unmatched fit customization, premium support, and maximum control in any terrain. What is new on the 2027 model? Updated with the new H5 Triple BOAA(R) Fit System and Endo(TM) 3.0 construction for improved durability, smoother dial operation, and longer-lasting flex retention. Summary Ability Advanced - Expert Flex 10/10 (Ultra Stiff) Lacing System H5 Triple BOAA(R) Fit System with Conda(TM) BOAA(R) Liner Lacing Liner Intuition(TM) Pro Foam 3D Liner Outsole VibramA(R) V5 Outsole with Harshmellow(TM) Footbed/Insole Harshmellow(TM) Plus Insole