Storm Women's 2mm Purple Shorty Snorkel/Scuba/Water Sports Wetsuit - Size 16 Back zipper The back High Density YKK zipper provides the diver with easy and straightforward donning. Adjustable Neck The Velcro adjustable neck provides unparalleled comfort and basically makes the suit adapt to you. Neoprene 2 mm MicroMesh Neoprene 2 mm N-2-S