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+ - Self-fabric collar with edge stitch - Double needle hemmed bottom with side vents - 3-button placket with top and bottom placket edgestitch with Callaway embossed buttons - Heat seal label provides tag-free comfort - Contrast embroidered Callaway logo on right sleeve