O'Neill Rash Vests - O'Neill Boy's Skins Short Sleeve Rash Vest - Red :: Boy > Rash Vests. Strategic Seamless Paddle Zones: 4 way stretch with anatomically shaped\n panels for more efficient movementUV Protection: UPF 50+Material: Nylon. spandexSlim Fit: Tighter construction across the abdomenBoardshort Connector: YesFlatloc Stitched Seams: Breathable and comfortable constructionQuick Dry: Yes Size: 08 YRS,10 YRS,12 YRS,one size.