Promate 3mm Adjustable Beanie Scuba Dive Surf Surfing Kayak Rafting Canoe Snorkel Swimming Cap Hat Promate 3mm neoprene adjustable beanie Don't bother anymore about entangling of hair with silicone strap of mask while taking off your mask Cap style hood provides warmth and protection around face and ears Comfortable Velcro chin strap Taped seams keep water out