With Walls flame resistant plaid work shirt, you can stay safe and still look sharp. Made of tough cotton twill, this shirt is 2112 UL certified and HRC Level 2 rated. So it’s ready for whatever your job throws at you. This shirt features back yoke, adjustable button cuff closure, button down collar, sewn on front placket with button closure and 2 chest pockets with button flap closures. Material: Cotton.