Rookie retro v21 rollerskates now feature v cut cuff technology that protect and support your achilleshandmade from lightweight breathable mesh with extra padding to keep your feet comfortable and coolfitted with all star wheels with rounded edges which make them perfect for skating on any type of surfacewheels pu castuk 2 5 58mm 80auk 6 9 62mm 80achassis nylon chassistrucks acs 430 aluminium w pu cushionstoestop pu toe stopbearings abec 7