Ultra lightweight rubber knee boot. 70% lighter than other waterproof rubber and PVC knee boots. Constructed of high quality EVA for comfort and durability. Multi-purpose, cleated tread pattern. 100% liquid proof. Features tiny air bubbles trapped in the walls of the boots that self-insulate to help keep feet warmer in the cold and cooler in the heat. Includes removable, cushioned contour insole. Heavy-duty heel kick for hands-free removal. Ideal applications include agriculture, light industrial, construction, foul weather, and other general purpose applications. Chemical resistant to certain acids, alkalies, fats, oils, and hydrocarbons.