Carhartt Men's W.P. Waterproof Insulated Glove Shell: 100% Polyester; Palm: 100% Polyurethane; Lining: 100% Polyester Imported Pull On closure Durable polytex shell FastDry technology lining wicks away sweat for comfort Waterproof insert. Reinforced polyurethane (PU) palm. How to measure gloves: Hand circumference - Flat, from the crook of thumb around outer edge of palm Spot wash by hand in luke warm water with mild detergent. Hang to dry. Do not use hot water. Do not put in dryer.