Everything you need in a wetsuit and nothing you don't. 100% Super stretch Japanese limestone based neoprene - lighter, warmer, softer and stretchier. easier to put on and take off. Allows for more freedom of movement. Thermal lining insulates heat. Dope Dyed Fabric- A softer eco-friendly anti-fade made by Bluesign approved mills. AquaA eco-friendly water-based lamination is completely solvent free with no harmful chemicals.