KEY FEATURES External Stability Plus Cuff ensures you have the support you need for superior control and balance Single piece composite F B I Frame is a part of the structure of the boot for reduced weight and vibration The Original SoftBoot Construction allows for greater comfort and ventilation than traditional rigid boots When its time to skate you dont want anything keeping you from getting out the door so the K2 Kinetic 80 Pro Mens Inline Skate is made with a Speed Lacing System that wraps the Original SoftBoot comfortably around your foot with just a single pull of the easy to use lace Then an ankle and cuff strap lock you into the Stability Plus Cuff which is integrated with the F B I Frame holding the wheels for greater efficiency and reduced weight And now youre rolling along skating in no time at all SPECSWheel Durometer 80