The Chill-Its 6689 Cooling Long Sleeve Sun Shirt features evaporative technology for immediate cooling and UPF 50+ protection against the sun's harmful rays when working outside. Built with a performance fit, this long sleeve sun shirt is designed with a stretch fabric that provides easy mobility and unrestricted movement. Featuring moisture-wicking technology, an anti-odor treatment and breathable mesh paneling in the underarms and back, this long sleeve sun shirt will keep workers comfortably fresh, cool and dry all day. A zippered pocket on chest adds storage for keys, cell phones and small items.