Perfect for growing kids who love to skate, the Trac Star offers performance and comfort with adjustable sizing to accommodate growing feet. High quality components and lightweight technology make it easy and fun to roller skate indoors or outdoors. Hinged shell and padded, washable liner give support and comfort for any skill level. Easy fit buckles and no laces to tie make it easy for children to put on themselves. The chassis is lightweight and durable with real trucks for controlled turning. In fact, these quad skates for kids are built for maximum agility and support. You'll be amazed at how quickly your child will be zooming along sidewalks or around the skating rink. 54mm Urethane wheels have just the right grip and bounce for both indoors and outdoors and are loaded with G-Force 608ZB carbon bearings. These adjustable roller skates for kids fit true to a child's shoe size. ROLLER DERBY Trac Star Youth Boy's Adjustable Roller Skates Feature: SIZING Outgrow no more! Adjust up to 4 sizes at the push of a button. Medium adjusts from size 12 to 2; Large adjusts from size 3 to 6 BOOT Hard shell boot with comfort and support WHEELS Smooth ride indoors and outdoors! 54mm Urethane wheels have the right grip and bounce for the rink or pavement CHASSIS Lightweight chassis with real trucks for controlled turning and the best quad skating experience CLOSURE No laces to tie! Cam lever buckles for easy on and off   Model # 1372, 1373