Evolve Fullsuit 4/3mm Fzip MenThe Evolve 4 3mm is the lowest impact wetsuit in our range. Its made with Natural Foam instead of neoprene, using 90% natural rubber and 10% synthetic rubber by polymer content. USDA certified renewable materials, like sugarcane, oyster shells, and plant oils, form a unique blend that gives the Evolve its signature stretch. A testament to wetsuit evolution, the Evolve is a step toward better alternatives, comes with our usual premium wetsuit features,