A staple for aggressive freeriding, the K2 Thraxis is a top performer at the resort, in the backcountry, and on the most demanding terrain. Three BOA® reels control unique zones on the boot to dial in a perfect fit, and our Endo 2.0 construction helps keep the original flex of the boot for unrivaled durability. Flex Zone Upper with Endo 2.0. Intuition® Pro Foam 3D Liner. Message Me if You Have Any Questions.Feel Free to Ask Any Questions. The item "18 /'19 K2 Thraxis Boa Size 10 Men's Snowboard Boots Black NEW" is in sale since Tuesday, February 12, 2019. This item is in the category "Sporting Goods\Winter Sports\Snowboarding\Boots". The seller is "snow-trader" and is located in USA. This item can be shipped worldwide.