Features: 94% polyester/ 6% spandex jersey knit. Opti-Dri technology transfers moisture away from the body. Stretch fabric moves with you to increase your range of motion. UV Block technology keeps skin safe from the sun's harmful rays. UPF 40. Self fabric collar. 3-button placket with Callaway embossed buttons. Double needle hemmed bottom with side vents. Heat seal label provides tag-free comfort. Tonal embroidered Callaway TOUR logo on right sleeve.