Pinnacle 7mm Merino Lined Zippered Drysuit Hood This Item Includes: Pinnacle 7 mm Merino Lined Zippered Dry Suit Hood Warmest Hood Available! Keeps Dry Suit Diver's Head Warm and Comfortable in Severe Water Temperatures Material: 7 mm Titanium Lined Nylon ll Neoprene in Head and Neck Areas Merino Lining: 35% More Thermal Efficiency then Standard Neoprene Rubber