Lemorecn Wetsuits Hoods Premium Neoprene 1/3mm Vented Bib Hood (3mm, Medium) Neoprene PERFORMANCE: Integrated air vent allows bubbles to escape through the top of the hood without promoting water exchange MULTI-USE: Designed for warmth while diving at any depth and in any water temperature. INNOVATIVE TECHNOLOGY: Exclusive ultra soft material made with super stretch neoprene. MULTI-USE: Designed to keep warm while diving and scuba throughout all weather and water conditions.