CornerStone put the toughest material and advanced stay-clean technology into this shirt so you get the most out of it. This hardworking garment is built to meet IL50 standards, which means it will excel through 50 industrial launderings. 4.25-ounce, 65/35 poly/cotton with soil release finish Open collar with sewn-in stays Metal collar gripper snap Melamine buttons Reverse placket Two button-through pockets Bartacked pencil stall on left pocket Squared hem to be tucked inside or worn outside pants