Introducing the Roller Derby Boys 2-in-1 Roller/Inline Skates Black/Green! Get the best of both skating worlds with a skate that easily switches between quad and inline styles. Comfort and support are guaranteed with a supportive boot, and the adjustable sizing makes them perfect for growing feet. Roll effortlessly with grippy urethane wheels and speed-loaded silver-5 bearings. Highest control with real trucks for quads, and a non-marking brake for inlines. Outgrow no more!