This is the Sharkskin Women's Chillproof Long Sleeve Shirt Exposure Garment for Scuba Diving, Surfing etc. Features: Can be worn by itself or underneath a long sleeve wetsuit Provides the ultimate protection from cold and wind Soft neoprene neck seal to help keep wind, water, spray and waves from entering Long sleeves offer additional protection from the cold and sun Thumb tabs assist when pulling a wetsuit on over the top Sharkskin Chillproof is an aquatic specific, windproof 3-layer composite material that has been developed for water sports athletes. The comfortable micro fleece 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 abrasion resistance and 4 way stretch. It is also UV resistant for sun protection and has a durable water repellent finish (DWR) to provide a protective shell that sheds water. Sharkskin Chillproof is neutrally buoyant, anti-microbial, odour resistant, itch resistant and machine washable. PERFORMANCE GUARANTEE Authentic Sharkskin garments come with a 12-month guarantee on workmanship. Excludes fading and degeneration as a result of excessive exposure to chlorine or sunlight. We guarantee Sharkskin will perform as advertised.