2.5mm Neoprene Diving Hood Thermal Wetsuit Hood Beanie Cap for Men Women Scuba...2.5mm Neoprene Diving Hood Thermal Wetsuit Hood Beanie Cap for Men Women Scuba Diving Snorkeling Swimming One size fits for men and women. 2.5mm thickness conserves body heat to keep you warm. Made from 80% neoprene and 20% nylon material. Flat-lock...more