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. It will be a fiery frenzy of color when he straps into the Flame. Synthetic leather and nylon mesh upper for breathability and structure. Tsukihoshi shoes are designed for the comfort and health of children's feet. All Tsukihoshi shoes run wider than normal medium width shoes. Hook-and-loop closure ensures a snug fit. Pull-tab assists with on/off. Padded tongue and collar for comfort. Green Tea infused anti-bacterial, removable insole. Lightweight EVA outsole won't weigh you down. Features Flex-Joint Outsole, which allows foot to bend properly. Measurements: ; Weight: 4 oz ; Product measurements were taken using size 8.5 Toddler, width M. Please note that measurements may vary by size.