The Powerslide Performance model has a composite shoe. Thanks to My Fit technology, the inside of the shoe can be heat-heated and adjusted to fit your foot. Xml: namespace prefix = "o" mounted on a X-frame that is 10.8 (274mm) inches long and uses 2-bolt mounts. The model drives the Playlife with a hardness of 85A, the diameter of the wheels depends on the size of the skate. Powerslide Performance inline skates feature Wicked ABEC 5 bearings.