Bogs Kids Neo-Classic Yulex Boots 100% Waterproof. Made with seamless construction - 30% lighter and more durable. Constructed with 5mm Yulex Natural Rubber waterproof insulation. Rebound cushioning provides all-day comfort and energy return. BioGrip slip-resistant outsole. DuraFresh natural bio-technology activates to fight odors. Bogs Max-Wick evaporates sweat to keep feet dry. Comfort rated to -35°F/-37°C Size Youth 6 Excellent condition