Revive your casual wear with Old Navy big mens polo shirts offered in many colors and sizes. For those hard to fit sizes, we have polo shirts up to XXXL. These popular big mens polo shirts are made from a superior construction and quality material. If you want a little more than the classic big mens polo shirt design, you'll also find shirts with cargo pockets, stripes and graphics to enhance your casual wardrobe. Now is a great time to update your closet with affordable big mens polo shirts from Old Navy.