Port Authority SuperPro Twill Shirt. A heavy hitter in performance, our SuperPro Twill Shirt easily resists wrinkles while releasing stains. Designed for comfort, this versatile shirt functions well in almost any work environment from the office to food service. 3.4-ounce, 55/45 cotton/poly Button-down collar Back shoulder pleats Dyed-to-match buttons Left chest pocket Rounded adjustable cuffs