Tsukihoshi Uppers - All Tsukihoshi Kids uppers are machine washable for easy cleaning! Tsukihoshi Toes - Free Your Toes - Generous forefoot construction allows toes to splay naturally for superior balance and comfort. It is recommended that you order a half size down for this item. If your child is a size 10, you would order a size 9.5. Tsukihoshi shoes will become his new favorite everyday shoes with lightning speed. All Tsukihoshi shoes run wider than normal medium width shoes. Machine-washable synthetic leather and nylon mesh upper. Large hook-and-loop closure and laces for easy on/off. Heel tab to assist with on/off. Firm Heel Counters to support active feet. Green Tea infused antibacterial, removable insole. Features Flex-Joint Outsole, which allows foot to bend properly. Ultra-lightweight. Measurements: Weight: 4 oz Product measurements were taken using size 9 Toddler, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.