Bogs Kids NW 23 Mid Waterproof Shoe (Toddler/Little Kid/Big Kid) 66% Thermoplastic Polyurethane/34% Textile Rubber sole Waterproof Lined with breathable that absorbs and evaporates sweat Durafresh biotechnology to fight unwanted odors in footbed and lining Durable playground perfect non marking rubber outsole Rebound technology in outsole provides extra comfort