The Orca S4 is an established benchmark for the entry level open water swimming wetsuit segment, providing access to sophisticated wetsuit technology at a reasonable price. The S4 provides those new to open water swimming with features and materials previously only seen in intermediate level wetsuits that provide enhanced performance in flexibility, speed, comfort and enjoyment.The S4 has been completely redesigned, with all new performance materials. Building on the S3, this offers full neoprene coverage, including premium SCS coated 3mm Yamamoto 39 cell neoprene across the front for hydrodynamics, flexibility, buoyancy and durability.The underarm and shoulder panels feature 2mm Yamamoto 39 cell SCS coated neoprene for an increased range of motion and comfort.The back of the suit is constructed with 3mm smooth skin neoprene, providing high levels of buoyancy and thermal protection. The silicone-print Hydrostroke forearm catch panels increase power through the stroke, while speed transition panels on the calves make removing the wetsuit far easier. The new Flexiseal neck is constructed from soft, supple 39 cell neoprene.