This version of the Fuse features Hybrid-style strap; Next gen LSR 2.0 ratchets automatically lock the buckle in place as soon as you stop cranking, so you can instantly dial in your preferred strap tension and make quick adjustments on the fly; Slip-N-Grip plates minimise friction underfoot to speed up entry using the legendary Flow Design system; 30% GLASS FIBER, 70% NYLON Constructed from glass-filled nylon with aluminum-alloy adjustable sidewings, the Fuse is slightly softer than the NX2 yet still super responsive; A two-layer strap that blends freestyle comfort with versatile response; The Hexo Toecap strap features AuxTech; a 3D hinged auxetic pattern that expands evenly over your boot for next level comfort; AuxTech straps feature a geometric pattern that acts as a network of tiny hinges