Product Details     Flex Lacing Style: 8105000517 The ThirtyTwo STW Double BOA® Snowboard Boot has evolved. It has the same great fit and feel as older STW Models, except now it comes with a Dual Zone BOA® Fit System. This allows you to tighten or loosen the boot in two distinct zones, enhancing your ability to fit the boot exactly how you like. For an added precise fit, you can tighten using the Integrated Internal Lacing for an added precise fit. It has a medium flex and comes with ThirtyTwo’s Comfort Fit Liner, ideal for riders who prioritize simple comfort over high-tech. KEY FEATURES Dual BOA® Closure System with H4 Coiler allows you precise control over tightening your boots for the perfect fit every time 3D Molded Tongue is super comfortable and allows for consistent and even flex Evolution Foam Cushioning delivers cozy, lightweight cushioning to dampen vibrationsSPECSFlex: MediumLacing: Boa FEATURES 1:1 Lasting means each size has its own last, perfect for those who need half sizes Integrated Internal Lacing provides even more security and support Grip and Rip Heel Hold locks down your heel with a Velcro overlay to eliminate heel slippage and enhance performance Molded Footbed provides vibration dampening and shock absorption Comfort Liner comes with dual-density foam that is heat moldable to get the perfect fit ThirtyTwo STW Double BOA Snowboard Boot (Men's)