Listed for sale here is a Mack Weldon SILVERKNIT Polo Shirt Men's Size Large Navy Blue Modal, cotton, polyester, and spandex Blend Logos on the back and under the hem In excellent pre-owned condition. See measurements below (in inches) and compare to your favorites at home. Shoulder Width: 19 Underarm Width: 22.5 Length Down Back: 29 Shoulder + Sleeve: 14.5 #mackweldon #preppy bluebin