Columbia Big Boys' City Trek Mitten Shell: 100% Nylon Dobby Ripstop. Lining: 100% Polyester Tricot. Insulation: 100% Polyester, 150g. Imported Do not wash, hand wipe with damp cloth, do not bleach, line dry in shade, do not iron, do not dryclean Omni-shield advanced repellency Waterproof/breathable bladder Pu grip palm patch Elastic at wrist