This is the O'Neill Basic Skins UPF 30+ Short Sleeve Sun Shirt Graphite Features: 30+ U.P.F. Maximum Protection Strategic Seam Placement 2-way stretch Rash Protection Chlorine resistant Slim Fit Polyester Overlock Stitched: Super-Strong Seam A maximum value option for entry-level UV protection. Short or long sleeve Basics U.P.F. 30+ Sun Shirts are designed to keep you covered in the sun and surf and built to last in chlorinated pools.