Orca's generation S-series speedsuit continues its evolution with the S6. While retaining many of the great features of the S5, the new S6 introduces greater functionality and comfort than the S5 predecessor. Like its predecessor, the S5 promises hydrodynamics, flexibility, buoyancy and durability. 2mm Yamamoto 39-cell coated neoprene underarm and shoulder panels provide a superb range of motion. The back is made of 3mm Smooth Skin neoprene, offering buoyancy and thermal protection. Silicone-print Hydrostroke forearm catch panels increase power through the stroke, while Speed Transition calf panels make transitions faster still.. Material: Neoprene