The typhoon semi soft adjustable quad roller skate has a specially designed light weight frame with easy toe adjuster systemthe stylish upper not just looks great but gives fantastic support and has an air cycle system for extra comforttechnical specsbootchildrens adjustable semi soft quad skatewheel54 x 32mm 82a pu cast with semi clear swirlchassisnylon hi impact with aluminum trucksbearingsabec 5stopperspu cast semi clear with swirl colour and easily replaceable bolts