BAUER XR600 Roller Hockey Skate features Tech-Mesh Nylon with OD1n-inspired updated X-rib pattern. Thermo-adjustable uppers for a more customizable fit. Additional abrasion guards on both sides of the quarter package. Patended pro-integrated anatomical heel & ankle support. Anaform ankle padding. Hydrophobic Grip Microfiber liner helps keep the foot locks in place while wicking away excess moisture to keep feet dry during gameplay. Anatomical, 2-piece 40oz felt with injected metatarsal guard on the tongue. Unwaxed laces. Clear injected TPR outsole. One-piece Hi-Lo™ Vanguard™ Ventilator Anadized Aluminum Frame utilizes two (2) 76mm wheels in the front and (2) 80mm wheels in the rear to offer an aggressive ankle for agility while helping to maintain a low center of gravity. Bauer square Flush Two-Piece 6mm axles. Hi-Lo™ Static 76A (Soft) Indoor wheels are ideal for sport court, wood, and smooth concrete surfaces. Hi-Lo™ ABEC 9 608 bearings.