Look sharp and stay in comfort in this Johnnie-O Moscow Mule-In Prep-Formance Polo Shirt in White. This Moscow Mule-In Prep-Formance Polo Shirt by Johnnie-O features printed prep-formance jersey 3 button polo, side vents, left chest open, embroidered logo on center back yoke, moisture wicking. This Johnnie-O Moscow Mule-In Prep-Formance Polo Shirt is made of 93% Polyester, 7% Spandex.