Tracer inline skates adjust up to 3 sizes to keep up with growing feet. Small adjusts from size 12 to 1, and Medium adjusts from 2 to 5.These inline skates for kids are easy to put on and take off, so children of all ages can get rolling easily. Good ankle support, important for beginning skaters. The Comfort Fit liner is washable to help keep skates fresh. Urethane wheels have the right grip and bounce for rinks, floors, sidewalks, or pavement. Size small has 64mm wheels, while the mediums include 70mm wheels. They are loaded with smooth rolling GForce carbon bearings. These skates fit true to your child's shoe size. ROLLER DERBY Tracer Girls Adjustable Inline Skates Feature: SIZING Outgrow no more! Adjusts up to 4 sizes at the push of a button. Small (12-1) or medium (2-5) CLOSURE Perfect for young skaters! Comfort and support with no laces to tie WHEELS Smooth ride indoors and outdoors! Urethane wheels have the right grip and bounce for the rink or pavement; GForce carbon bearings FRAME Reinforced Polymer frame for good ankle support KEEP IT FRESH Washable boot liner. Removeable wheels. Brake on right skate Model # I149G