Marine Wonders Loggerhead Turtle Men's UPF 50+ Long Sleeve T-Shirt 100% Microfiber Imported UPF 50+ UV/Sun Protection The Skin Cancer Foundation recommends this fabric as an effective UV protectant Includes PURE-tech moisture-wicking technology and Anti-microbial technology which keeps you dry and the shirt odor free Unisex cut; Sizes may run smaller for some men Lightweight and breathable; Great for a day of fishing, sailing, swimming, hiking and any other of your favorite sports