Port Authority Ladies Long Sleeve SuperPro React Twill Shirt. The ultimate in professional performance, this wrinkle-resistant shirt also releases stains. The soft, smooth fabric gives you a polished look that's comfortable enough for year-round wear. 4.3-ounce, 55/45 cotton/poly twill. Stain release. Wrinkle-resistant. Open collar. Dyed-to-match buttons. Rounded adjustable cuffs. Back yoke.