Heavy-weight - Red Kap puts the toughest materials and advanced stay-clean technology into this shirt so you get the most out of it. This hardworking IL50 style is tested through 50 industrial launderer washes. 4.25-ounce 65/35 poly/cotton with Touchtex technology for superior color retention soil release and wickability Open collar with sewn-in stays 6 buttons with metal collar gripper closure at neck Two button-through pockets Bartacked pencil stall on left pocket