Rollerblade's kids skates feature a shell with an adjustable 4 size range (sizes 5-8). To enlarge the skate, press the button and slide the toe box forward.
 
Microblade Shell/Upper, 4-size adjustable
Performance Junior Liner, adjustable
Monocoque Frame, Lo-Bal composite, 4x72mm, can accommodate 3x80mm
Rollerblade 72mm/80a Wheels
SG3 Bearings
Brake included