port authority short sleeve superpro oxford shirt. s659 white xl port authority look your best in a tried-and-true oxford that performs. proven in independent lab tests to resist soil 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 back yoke with knife pleats button-down collar patch pocket