90% Nylon, 10% Spandex Imported FREE MOVEMENTS: 4-ways stretch fabric never limits your every action UV PROTECTION: UPF 50+ fabric protects you from UV rays in the sun QUICK DRY: Water repellence fabric and Fast-Drying Tech finish drying quickly in hours to stay dry MOISTURE WICKING: Actively wicks moisture away from the skin, keeping you cool and dry all day GREAT FOR OUTDOORS: 1 zipper chest pocket with classic design. Summer short sleeve snap down shirt is great for a day of hiking, traveling and climbing