Woden Kids Genbrugsnylon Erin Boots are made from nylon with a soft lining. The insole features a soft EVA foam cushioning, covered with the characteristic WODEN cork for breathability. Our children`s styles always come with a growth allowance on the insole, ensuring the correct size for your child. The outsole is made of 65% natural rubber, 10% rubber, and 25% conventionally produced rubber, providing stability and durability. Erin is waterproof.