Roller Derby EZ-Roll Boy's Beginner Roller Skates, Size Medium (11J-2)with Paw Patrol safety equipment Outgrow No More: Adjust up to 4 sizes (Youth Size 11-2) at the twist of a lever. Learn to skate with the rugged and fun "tractor skate" design Strong and supportive boot with extra-cushy padded liner for comfort and control Low center of gravity for more balance and safety means more skating and less falling Indoor/outdoor wheels made of quality urethane. Grippy and smooth on most surfaces