Port Authority® - Extended Sized Silk Touch® Sport Shirt. K500ES A tried-and-true customer favorite, our comfortable classic sport shirt is a first-rate choice for uniforming just about any group. * 5-ounce, 65/35 poly cotton pique * Knit collar and cuffs * Double-needle armholes and bottom hem * Side vents * Metal buttons with dyed-to-match rims Tall sizes: 7XL-10XL