Cressi Base Layer Hooded Vest Man 2.5mmThe Cressi Hood Vest is a sleeveless neoprene base layer with an integrated hood. It can be layered under a wetsuit for extra insulation in cooler waters, or worn alone in warm conditions. Made from ultra stretchy neoprene, 2. 5mm panels on the back and chest provide warmth around the core, while the 5mm hood keeps the neck and head insulated. A smooth neoprene seal around the edge of the hood sits comfortably against the face and helps limit water