The Powerslide Phuzion Radon 90 skate is the pinnacle of comfortable performance. Constructed using a glass-fiber reinforced strong and stiff outer shell and cuff and combined with the TRINITY X mounting system it provides an amazing stable platform that improves power transfer, reduces vibrations and creates a super low center of gravity for more and better balance. The new Powerknit upper mit TPU welded reinforcements ensures a snug and supportive fit. Powerslides Elite casted aluminum 4×90 – 271mm frame is light weight and stiff. A super comfortable fixed liner with dual density foams and an additional heel lock keeps you skating all day long. This skate is agile, nicely rolling with its 90mm Powerslide Infinity and Wicked ABEC 7 bearings. Moreover it includes the Powerslide HABS braking system. Phuzion: Comfortable Performance.