For Hatleys boot sizing . Get ready for some serious puddle jumping with the fun Hatley Kids Farm Tractor Rain Boots! Vulcanized rubber boots. Waterproof construction. Fun allover print. 100 percent cotton lining. Removable insole. PVC-free. Slip-resistant outsole. Imported. Measurements: Weight: 14 oz Circumference: 12 in Shaft: 8 in Product measurements were taken using size 1 Little Kid, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.