Stay cool and dry in the Callaway Opti-vent Knit Polo Shirt! This performance knit polo shirt is engineered for ventilation, providing optimum cooling comfort. Featuring Opti-Dri technology to wick away moisture from your body, Opti-Vent fabric for maximum breathability, a rib knit collar, a 5-button placket with Callaway embossed buttons, side vents, and a raised rubber Callaway heat transfer on the right sleeve, this polo shirt will keep you comfortable all day long. The 5.3 oz. 100% polyester pique mesh stripe knit fabric ensures durability, and the heat seal label provides tag-free comfort.