Size/Fit Summary: Fits slightly smaller, Regular fit. Sizing suitable for 18 months to 8 years old (size 5-2). If they are in-between sizes, it is recommended to size up. The limited-edition, fully waterproof Hunter X Disney Mickey Mouse Rain Boots are designed for little explorers. With a grippy sole and heel, these blue rain boots are made from natural, vegan rubber with a soft cotton lining. Each pair is finished with an exclusive illustrative print of Mickey Mouse. We recommend that all Hunter Disney wellies be worn with socks to protect the wearer's skin from contact with rubber.