SPORT buoyancy aids -designed to provide extra buoyancy for competent swimmers in sheltered waters, where help is close at hand.Deep cut sides, nylon zip, 45mm webbing and dual ties make for a snug fit. This easy-to-swim-in jacket complies. Available in 5 sizes with 2-color options. The SPORT buoyancy aid provides real time safety for the pro-active water-sporter.