100% viscose. Whether you are a surfer, lifeguard or diver who is repeatedly getting in and out of the water, you can depend on Chammyz providing a continuously dry garment. * Unlike cotton that will retain moisture, Chammyz will absorb (wick) the water away from the body, and then start an evaporation process immediately. * The hood provides UVA/UVB protection. The zippered coat is comfortable in various temperatures in both warmer and cooler enivronments. * Machine Wash Cold, Tumble Dry low, No Bleach, Be Kind to All Animals, People and The Earth * Canada