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 Peppa Pig Boots are designed for puddle-jumping fun. With a grippy sole and heel, these blue toddler rain boots, which are made from natural, vegan rubber are finished with an exclusive Peppa Pig print. We recommend that all Hunter Peppa Pig rain boots be worn with socks to protect the wearer's skin from contact with rubber.