Product details:

A medium flex that finds the balance of progressive riding and forgiving feel for all day comfort and all-mountain versatility. Customizable fit with heat moldable liners and unmatched out-of-the-box comfort, will make sure that riding all day is a breeze. Say goodbye to the days of spending time lacing boots and painful pressure points with the Burton Ruler Boa Snowboard Boots. 1:1 Medium Flex PowerUP Tongue Burton offers 1:1 lasting on every boot. It means every half and full size shell, tongue, and out sole offer a precise fit that is not as common as one would think. Drop your loot on a Burton boot and you won't be stuck with the slop of a mismatched shell and liner. PowerUP tongues feature additional dual-density material for rebound and durability. B3 Gel Ultimate dampening formulated to withstand repeated impacts without breaking down or hardening up in cold temps.