Port Authority Tall Silk Touch Sport Shirt TLK500 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;