The Johnnie O Birdie Prep-Formance polo features moisture wicking that keeps the skin dry when sweating and a UV finish that protects the skin from harmful sunrays. The Polyester and Spandex blended fabric provides durability, allows machine washing and offers resistance against shrinking and wrinkles. The Birdie Prep-Formance polo is designed with a 3-button placket, side vents and the heat seal logo on the back yoke.