5.2 oz 92% polyester / 8% spandex yarn-dyed knit jersey stripe. Opti-Dri technology transfers moisture away from the body to keep you cool and dry. Stretch to give full range of motion. UV Repel technology keeps skin safe from the sun's harmful rays. UPF 30+. Mock collar and v-neck placket. Double needle hemmed bottom with side vents. Heat seal label provides tag-free comfort. Contrast heat seal Chevron logo on back collar.