Port Authority Performance Staff Polo K398Designed to perform, this polo coordinates with our Performance Staff Shirt and it will help you keep your professional edge in any office or workplace., 4.7-ounce, 100% polyester jersey, Stain release, Odor-fighting, Moisture-wicking, Snag-resistant, Self-fabric collar, 3-button placket, Dyed-to-match buttons, Side vents, Due to the nature of polyester performance fabrics, special care must be taken throughout the printing process.