Port Authority® Tall SuperPro™ Twill Shirt TS663. A heavy hitter in performance, our SuperPro Twill Shirt easily resists stains and 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 yoke with side pleats. Dyed-to-match buttons. Left chest pocket. Button-through sleeve plackets. Two-button adjustable cuffs. Shirttail hem.