When you combine speed, control, and comfort, you get the Rollerblade(R) Men's Macroblade 80 Inline Skates. These Inline skates are constructed with an aluminum frame and a soft, cushioned liner so they keep you comfortable during your skate and will last mile after mile. Its 80mm wheels smooth over rough ground and roll fast. With the cuff buckle, heel strap, and lacing system, the Macroblade 80 skates keep your feet secured. FEATURES: Men's inline skates 5 Star Fit, seamless upper provides comfort Twin aluminum frame for durability and maneuverability Wheels: 80mm/82A Bearings: SG5 Soft, cushioned liner 45deg heel strap and lacing system offers a secure fit Cuff buckle secures ankle and delivers support Manufacturer's warranty: Limited