Microblade is a high-quality adjustable skate for kids. Using Rollerblade's expertise and design, these skates are adjustable four full sizes to accommodate growing feet. An easy-to-use system works with the push of a button and markers in the toe area align the skates to the correct size. These skates provide better support and help improve stability, balance and control. The closure system provides a secure fit with easy on and off functionality. Get your kids outside and active while having fun and creating a lifelong activity. Best kids inline skate for kids who are starting to skate Shell is sleek and streamlined to correctly position kids for proper balance, control and better support Junior Fit liner makes this skate so comfortable that kids will not want to take them off Engineered mesh creates a sock like fit with added breathability Versatile, durable integrated frame gets kids closer to the ground for a lower center of gravity 3WD system for upgrading to 3 x 80 mm wheel set up 72mm/80A are paired with SG3 bearings for a lasting, smooth roll Wheels: Rollerblade 72mm/80a Shell/upper: Microblade, 4-size Adjustable, Engineered Mesh Liner: Performance Junior, Adjustable Frame: Monocoque, Lo-Bal Composite, (Max 4x72mm/3x80mm) Brakes: On The Skate Buckle: Locking Cuff Buckle, 45° Powerstrap, Laces Bearings: SG3