This is the Aqua Lung Men&';s 3mm Aquaflex Wetsuit Scuba Diving Wetsuit Features: 4-Way Super-Stretch Neoprene 3mm Neoprene Thickness for Warmth Wrist Cuffs w/Spandex Edge Tape Back Entry w/Heavy-Duty YKK Zipper Non Petroleum Neoprene Fabric The name AquaFlex has become synonymous the world over for stretch, comfort, and warmth. This line of wetsuits represents the best value and quality on the market today.