The Kids' Rugged II will protect your child's feet in severe cold with the 5mm neoprene waterproof bootie insulation backed with a fleece lining. This lining adds extra insulation to keep cold out for kids that want to stay outside playing in the snow all day.Specifications and Features: Brown/Realtree EDGE 100% Waterproof 5mm Neoprene Bootie for Comfort and Performance Warm Fleece Lining * Extended Rubber Coverage EVA Midsole for Added Comfort Rugged Outsole for Traction and Durability Children 7-13 Youth 1-9