Product Details     Flex Lacing Style: 172871W25 It doesn't get much simpler than the Burton Ruler Step On® BOA® Snowboard Boot. It's built using a lot of technology you'll recognize from the classic Ruler, like a Sequence BOA® closure system that lets you dial in the perfect fit and a 3M Thinsulate™ built into the Imprint™ 2 Liner for even more warmth than the Man Fur at the cuff can deliver. And of course, all of that works with your Burton Step On® Bindings thanks to the Ruler’s Step On® Backstay and Outsole to give you the quickest lift to riding transition in snowboarding.KEY FEATURES 3M™ Thinsulate™ insulation provides extra warmth on long lift ridesSingle Sequence BOA® closure system makes it easy for you to fine-tune your fitDesigned for, and works exclusively with, Burton Step On® BindingsSPECSFlex: MediumLacing: Boa FEATURES Imprint™ 2 Liner uses heat-moldable foams for a custom fit Liner Velcro Closure secures your foot before you even start lacing up Man Fur lining adds cozy warmth with rugged good looks Lock-Up Cuff is designed to comfortably close around your ankle for confidence-boosting hold and support Step On® Backstay is designed to integrate efficiently with your Step On® bindings while providing excellent support Firm Flex PowerUP Tongue provides pre-curved support that’s surprisingly comfortable TX3 laces are a flexible textile that’s super strong AND helps the boot fit better StepOn® Outsole features built-in cleats to lock into your Step On® Binding Recycled Content Rubber allows you to get extra grip without extra waste Burton Ruler Step On Snowboard Boot (Men's)