Vapor Apparel Men's UPF 50+ UV Sun Protection Short Sleeve T-Shirt Imported Permanent UPF 50+ (UVA/UVB) 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; Performance Shirts 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