Loudmouth Golf Mens Sport Coat Cherry Bomb What are the Loudmouth Golf Mens Sport Coats made of Our printed and striped pants are a blend of 97% cotton and 3% spandex. We call them summer poplin. Our plaid and patchwork pants are 100% cotton Are Loudmouth Golf Mens Sport Coats machine washable Will they shrink Can I iron them You may wash them in cold water. We suggest line dry to avoid shrinkage. You may want them to shrink to fit. If so, warm tumble dry. They will shrink about 12 in the waist and up to 1 in length. You may press the pants with the iron on CottonSteam setting. Keep iron moving to avoid scorching.