Features: 100% Polyester pique mesh stripe knit fabric. Opti-Dri technology transfers moisture away from the body to keep you cool & dry. Opti-Vent fabric allows this garment to have max. breathability. Rib Knit Collar. 6-Button placket with Callaway embossed buttons. Double needle hemmed bottom with side vents, heat seal label provides tag-free comfort. Callaway's Contrast Chevron Logo is on center of back neck. Sizes: S-3XL. Call for rush options for embroidery. Complies with Prop 65.