CornerStone puts the toughest materials and advanced stay-clean technology into this shirt so you get the most out of it. This hardworking style is built to meet IL50 standards, which means it excels through 50 industrial launderings. | 4.25-ounce, 65/35 poly/cotton with soil release finish Open collar with sewn-in stays Metal collar gripper closure Melamine buttons Reverse placket Two button-through pockets Bartacked pencil stall on left pocket Square hem can be tucked in or left out