O'Neill Rash Vests - O'Neill Skins Short Sleeve Crew Rash Vest - Black/Black/Black :: Men > Rash Vests. Performance Fit: Tighter construction across the abdomen and shoulders\n for a second skin feelBoardshort Connector: YesQuick Dry: YesUV Protection: UPF 50+Material: Nylon. spandexStrategic Seamless Paddle Zones: 4 way stretch with anatomically shaped\n panels for more efficient movementFlatloc Stitched Seams: Breathable and comfortable construction Size: X-Large,Medium,Small.