The Clark Heavyweight Flannel Shirt is built with a heavy-duty and abrasion-resistant 8.5 oz 92/8 cotton/spandex blend that brings a new level of durability and comfort to the jobsite. It comes equipped with adjustable cuffs, chest pockets with a pencil slot and adjustable flaps, and a back box pleat for increased mobility. Buy two of these bestselling flannel shirts today and you'll get a FREE 20oz BRUNT Tumbler.