Men's Button Down Work Shirts Carhartt Men's Button Down Work Shirts Carhartt Carhartt Shirts Mens Carhartt Short Sleeve Button Down Shirt Poshmark Carhartt Shirts Mens Short Sleeve Carhartt Buttondown Shirt Size. Classic, durable, dependable. Carhartt builds its short sleeve Summer shirts with breathable, lightweight cotton that won't overheat when you're working throughout the day. 3. 8 ounce, 98% cotton 2% spandex poplin Button down collar 2 front pockets with buttons Built to move with Rugged Flex stretch technology Garment washed for a soft finish and reduced shrinkage Triple stitched main seams Modelled by Tyson, who is 5'8 and wearing size M