This 7-ounce twill shirt is durable, comfortable and allows great freedom of movement while keeping you protected. It features an 88% cotton / 12% high-tenacity nylon blend, two chest pockets with flaps and button closures, an extended sleeve placket with a two-button adjustable cuff, a button-down collar and FR melamine buttons. The triple-stitched main seams add durability while the shaped shirt tail provides extra room. And like all Carhartt workwear, this shirt has been job-tested for reliability.For over 115 years, Carhartt has manufactured premium workwear known for exceptional durability, comfort, quality of construction, and fit that you can feel in the fabrics and see in the performance.