Chicago Boys Sidewalk Roller Skate Size Chart Featuring a mid-height synthetic leather upper, hook-and-loop speed strap and a quilted comfort collar, these colorful ª Sidewalk Skates will keep him rollin’! Double action adjustable truck with toe stop. Oversize PVC spoke hubs. 60 mm composite wheels add grip. 608Z Semi Precision speed bearings. Imported. Measurements: Heel Height: 3 in Weight: 2 lbs 3 oz Circumference: 8 in Shaft: 4 1Ú2 in Platform Height: 3 in Product measurements were taken using size 1 Little Kid, width Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.