Royal Robbins Women's Expedition Chill Stretch 3/4 Sleeve Tee 100% Other Fibers Imported Standard fit UPF 50+, protects from high heat, humidity and maximum sun exposure TempraTech mesh on back yoke TempraTech mesh has ultra-wicking fibers enhanced with heat-activated thermoregulation technology to keep you dry, cool and comfortable all day long Concealed pocket with zipper on right hip