K2 Thraxis Boa Snowboard Boot: if you are to truly define high-performance and comfort in a snowboard boot one only needs to look in the direction of the Thraxis Boot developed by K2 Snowboarding. Its Triple Boa technology revolutionizes the game with a three pronged approach to customization; 3 strategically placed reels control fit from top to bottom, inside and out, to hone in a precise fit that drives comfort and high performance to levels most everyone thought to be unattainable… until now. But the Thraxis doesn’t stop their. Through the power of impact absorbing Harshmellow; a formulated compound that cradles your heels with a loving embrace, combined with a super-light Vibram sole with Harshmellow, the K2 Thraxis Boots set the bar and sit atop a mighty throne of snow driven performance and comfort. When unified with the K2 Gyrator Snowboard and K2 CTX Binding , the Thraxis Boots create a coalition of forces that define high performance in impeccable style. Enjoy!