The Orca Openwater RS1 Sleeveless is the perfect wetsuit for those swimmers looking for minimum restraint and maximum freedom in their open water swimming sessions. The sleeveless design ensures minimal restriction of your swim stroke, providing maximum freedom when swimming. The neoprene used on the torso and legs ensures added buoyancy, as well as good thermal insulation in those areas. This wetsuit is the perfect choice for swimmers who do not need the thermal insulation of sleeves but are looking for maximum freedom when it comes to swimming.