Pushing the standard of sustainability and performance, Picture's Equation 4/3mm Flex Skin Front Zip Wetsuit features their planet-conscious Eicoprene foam derived from old tires, oyster shells, and limestone. This high-stretch Eicoprene is paired with a buttery soft Warmth Performance lining and an air-trapping 3D construction, helping us retain our body heat and stay out longer in chilly waters.