Product Details     Flex Lacing Style: 203171W25 The Burton Ruler Boa® Snowboard Boot is designed to withstand harsh mountain conditions, ensuring you stay warm and comfortable throughout your ride. The Imprint™ 2 Liner features a soft lining and integrated 3M™ Thinsulate™ Insulation, providing excellent warmth. The Lock-Up Cuff and Medium Flex PowerUP Tongue ensure a snug, pressure-free fit every time you lace up. The Dual Zone BOA® system lets you dial it all in for the perfect fit. These boots offer superior cushioning and traction with a PU Backstay for enhanced control and an EST® DynoGRIP Outsole with B3 Gel and Recycled Content Rubber. The Burton Ruler Boa® has a medium flex that provides support and flexibility for all your shredding adventures.KEY FEATURES Built-in Thinsulate™ for a comfortable and warm ride all season long Lock-Up Cuff runs liner lacing across your forefoot and ankle, eliminating heel lift before it starts Dual Zone Boa® with Coiler™ technology has two lace zones that can be independently adjustedSPECSFlex: MediumLacing: Boa FEATURES 1:1 Medium Flex PowerUP Tongue is designed to fit closer to your foot for improved hold and support TX3 is Boa®’s first textile lace, giving you superior fit and comfort with the same durability and strength you expect from Boa® Imprint 3 heat-moldable liner is 100% personalizable and features a hook-and-loop closure system with an inner lace lock for added security PU Backstay runs up the spine of the boot to improve boot-to-binding interface and help support you for long days on the hill Ability to independently dial in the tension between the upper and forefoot lets you fine-tune the fit DynoGRIP Outsole offers superior cushioning and traction Recycled Rubber Content in the outsole helps to reduce the environmental impact of manufacturing Total Comfort Construction eliminates the need to break in the boots, giving you maximum support and comfort Burton Ruler Boa Snowboard Boot (Men's)