The Scubapro Everflex 5mm Bibless Hood is a warm hood to keep your head warm in colder waters combined with your wet or drysuit. 5mm neoprene covers most of your head & thinner glideskin neoprene around your face & neck increase flexibility & comfort while reducing water ingress. Vented Dual layer vents on the top of the hood allow expanding air inside the hood to escape without letting water in. Attachment Point The hood also has a small attachment to clip a lanyard onto to keep your gear together.