Riedell r3 roller derby speed skate blackif youre looking to get started in derby there is no better option in the entry level class than the r3 a favorite with skaters since it debuted the r3 boot features class leading build quality including a special grade of vinyl that is more durable than standard vinyl and a detailed boot construction process that was developed from our decades of boot making experience derby is a demanding sport though so to ready the r3 for derby use the skate c