Adjustable Wetsuit Cap for Men and Women: Our stretchy wetsuit hood keeps your head a snug fit and is extremely comfortable. With the improved hook-and-loop chin straps, they ensure a custom fit for most adults.2mm Thermal Neoprene Cap: This diving hood is made of high-quality 3mm SCR neoprene, remarkable thermal insulation, keeps your head nice and warm, prevents rashes, and provides protection so you can inevitably stay comfortable in cold water.Ultimate Head Protection: The neoprene surf sailing hood can effectively protect against UV rays, protect your head from injuries caused by sea lice, jellies, corals, etc., and keeps you extra warm while underwater. Naturally fits the face, reducing water resistance and allowing you to enjoy the water freely.Taped and Blindstitched Seams: Conforms to the shape of the head and creates the perfect protection. Glued and blindstitched construction for less slack and strength, also improves its durability.