Our flame-resistant plaid shirt delivers FR protection in style. Constructed of rugged, 7-ounce 100% FR cotton twill, it features two chest pockets with button closures, and two-button adjustable cuffs with extended plackets. All buttons are FR melamine, and main seams are triple-stitched for extra strength. This button-down shirt meets NFPA 70E standards, and is made of flame-resistant fabric by Mount Vernon Mills.