Features: Adjustable skates designed for beginners Tractor skate design makes standing up and rolling easy Low center of gravity provides more balance and safety Adjust up to four sizes with a twist of a lever for skates that grow with your child High-quality urethane wheels allow for smooth rolling indoors and outdoors Extra cushioned padded liner offers added comfort Quad skates fit true to your child's shoe size Sizes: Small (J7-J11) and Medium (J11-2)