Adjustable Sizing: These youth roller skates grow with your child—adjustable up to 4 sizes with the push of a button. Medium (12-2), Large (3-6). Hard Shell Boot: Durable boot offers excellent ankle support and comfort, ideal for both beginners and intermediate skaters. Smooth-Rolling Wheels & Bearings: 54mm urethane wheels provide a smooth ride on any surface, whether skating indoors or outdoors. G-Force 608ZB carbon bearings ensure fast, smooth, and controlled skating. Lightweight Chassis: Durable, lightweight frame with real trucks for controlled turns and optimal agility. Easy Closure System: No laces! The cam lever buckle system allows for quick and easy on/off.