Engineered ventilation on this Callaway performance polo provides optimum cooling comfort. 5.3-oz 100% Polyester mesh stripe knit fabric. Callaway's Opti-Dri technology transfers moisture away from the body to keep you cool and dry. Opti-Vent fabric allows this garment to have maximum breathability. Rib knit collar. 3-button placket with Callaway embossed buttons. Double needle hemmed bottom with side vents. Heat seal label provides tag-free comfort. Contrast embroidered Callaway logo on right sleeve.