Port Authority Tall Stain-Release Polo. TLK510We've taken our classic silhouette and added superior wrinkle and shrink resistance. Odor-fighting properties help minimize odor. We completed the moisture-wicking polo with a stain-release finish for long-lasting, professional wear., 5.6-ounce, 60/40 cotton/poly pique, Flat knit collar, 3-button placket with dyed-to-match buttons, Open hem sleeves, Side vents