Storm 3/2mm Women's Turquoise Fullsuit Snorkel/Scuba/Water Sports Wetsuit Back zipper: The High Density back YKK zipper provides the diver with easy and straightforward donning. Seal System: By putting seals at every possible water entry point, there is highly reduced water circulation inside the wetsuit. That enables the water in the wetsuit to heat up to your body temperature and keep you warn throughout your ativities Adjustable Neck: The Velcro adjustable neck provides unparalleled comfort and basically makes the suit adapt to you. Neoprene 3 mm MicroMesh Neoprene 2 mm N-2-S