Port Authority® EZCotton? Polo It wasnt easy making EZCotton better, but we did. Still made of soft, smooth, durable 100% cotton pique, our new EZCotton Polo boasts an updated fit and a collar that resists curling. It also resists shrinking, wrinkling, pilling and fading with ease. 5.9-ounce, 100% cotton Flat knit collar and cuffs 3-button placket with dyed-to-match buttons Side vents