The 2021 Nitro Crown TLS was designed for all mountain performance. The cloud 6 liner delivers optimal comfort for all day riding. TLS 5 twin lacing system allows you to independently tighten the upper and lower lace by simply pulling on the mounded lace handles for great tension. A mid flexing boot this is perfect for someone who wants to do it all, from the park to the pow and everything in between. The Nitro crown delivers with comfort and style!