Bogs Waterproof Kids Boots are the perfect choice of welly for the youngest Little Trekkers. Soft and Flexible, they are perfect for keeping the littlest feet warm and dry as they embark on their very first adventures and as they grow. 100% Waterproof. Constructed with 3mm Neo-Tech waterproof insulation. DuraFresh natural bio-technology activates to fight odours. Bogs Max-Wick evaporates sweat to keep feet dry. Plush lining for warmth and comfort. Machine washable. Comfort rated to 14AAdegF/-10AAdegC.