Opti-Dri technology transfers moisture away from the body to keep you cool and dry. Stretch to give you full range of motion. UV Repel technology keeps skin safe from the sun's harmful rays. UPF 50. 3-snap placket with Chevron embossed snaps. Bottom cover stitch hem. Self-fabric collar. Heat seal label provides tag-free comfort. Contrast heat seal Chevron logo on back collar. 95% Polyester/ 5% Spandex jersey knit fabric.