Port Authority® Silk Touch™ Polo. K500 An enduring favorite, our comfortable classic polo is anything but ordinary. With superior wrinkle and shrink resistance, a silky soft hand and an incredible range of styles, sizes and colors, it’s a first-rate choice for uniforming just about any group. 5-ounce, 65/35 poly/cotton pique Flat knit collar and cuffs Metal buttons with dyed-to-match plastic rims Double-needle armhole seams and hem Side vents CMDA LOGO in white with Red heartbeat.