Tyndale Men's Classic FR Work Shirt FR Cotton Blend Made in USA 7oz. 88% Cotton, 12% Nylon FR Twill; True-to-Size Fit Two chest pockets w/flaps and buttons; Sleeve placket with two button cuffs Flash fire rated-meets NFPA 2112; Exterior Tyndale FR, arc rating, and HRC labels Made in USA by Tyndale Arc Rating: 8.6 / HRC 2