The Flame Resistant Long Sleeve Plaid Shirt offers the best of safety and style for its wearer. This shirt is crafted from a blend of cotton and nylon, and it is sewn with double needle stitched seams for added strength. It has a relaxed fit and bias back yoke for a wide range of motion, which is helpful for demanding industrial work. Button down collar, chest pocket with button, and tailored sleeve placket keep this flame resistant shirt looking neat and professional. This product conforms to NFPA standards 2112 and 70E. These standards require rigorous testing to ensure clothing is resistant to flash fire and electrical fire. This shirt has an Arc Rating of 9.5, which puts it in Hazards Risk Category (HRC) 2. Material: Cotton, Nylon.