Port Authority Ladies SuperPro Oxford Shirt. L658. Look your best in a tried-and-true oxford that performs. Proven in independent lab tests to resist and release stains, our SuperPro Oxford has a soft hand and a wrinkle-free finish to keep you looking neat and professional all day long., 4.6-ounce, 60/40 cotton/poly, Open collar, Bust darts, Back shoulder pleats, Pearlized buttons, Rounded adjustable cuffs