Henderson 7mm TherMaxx Titanium Men's Back Zip JumpsuitNeoprene Core: As in all wetsuits the Neoprene Core is the heart of the product. Henderson utilizes a proprietary neoprene formula developed exclusively for Henderson. This formula combines a low modulus with superior memory in a microcell structure, ensuring every TherMAXX Wetsuit will maintain its thickness and superior warmth and comfort over many years of service. Exterior Fabric Laminate: The exterior laminate is made of an advanced synthetic