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.Note: The base rubber colour is blue,however due to the unique iridescent finish,in some lights it may appear a different shade.The Kids First Classic Nebula Rain Boot is perfect for puddle splashing. Handcrafted from natural rubber,the flat sole and rounded toe give little feet room to move and the updated 100% recycled polyester lining ensures complete comfort for every adventure. These blue two-tone iridescent boots are fully waterproof and feature a specially-developed tread to reduce slipping.We recommend that all Hunter boots be worn with socks to protect the wearer's skin from contact with rubber.Certified veganWaterproofHandcraftedRecycled polyester lining and insoleRubber outsole with Original Kids tread patternCrafted from natural vulcanised rubber with two-tone iridescent finish