Lands End Boys' Short Sleeve Graphic Rash Guard Aqua with Submarine. Little Boy and Big Boy sizes. Max protection, fun-to-wear graphics. It's not easy keeping kids covered with sunscreen. That's why we love rash guards. They?re the ultimate backup to sunscreen with a UPF 50 rating, the highest possible, blocking 98% of harmful UV rays. Protection lasts the life of the garment too, through lots of washing and exposure to sun and chlorine. Stretchy 82% nylon/ 18%spandex blend holds its shape when wet. Recommended by the Skin Cancer Foundation as an effective UV protectant. Mock neck for more coverage. Please email me with questions prior to ordering. Returns must include the original tags. From a Smoke Free, Pet Free environment. I check for flaws but sometimes they get overlooked. If there is a problem, please contact me first before initiating the return process. I strive for 100% satisfaction and will do all I can to make it a pleasant transaction to ensure your repeat business. RETURN POLICY All returned items must be accompanied by the original tag or original item packing (poly bag with item bar codes). Items must be unworn and unwashed and in original condition.