Sharkskin chillproof is an aquatic specific, windproofposite material that has been developed for watersports athletes. Fortable microfleece layer is next to the skin and wicks moisture and sweat away from the body to help keep you dry. The second middle 'technical layer is 100% windproof, yet breathes to regulate body temperature while stopping windchill. The third outer layer is a nylon/lycra blend for 4 way stretch. The sharkskin chillproof 1 piece women's dive skin is exceptional exposure protection that adds fortable layer of warmth during watersports activities. Performance guarantee authentic sharkskine with a 12 month guarantee on workmanship excludes fading and degeneration as a result of excessive exposure to chlorine or sunlight. Follow these instructions to get optimum performance out of your sharkskin product. Machine washable in cold water line dry do not bleach do not iron do not dry clean wash after use to remove residual chlorine or salt keep out of the sun when not in use