You can't tell by looking at this simple, button-up Wrangler shirt that it's a hardcore piece of work gear. It looks like a standard long-sleeved khaki shirt, but it is made out of 100% flame-resistant cotton material. This Men's Wrangler shirt is approved for HRC 2, Hazard Risk Category 2. It is also compliant with ASTM 1506 safety specifications NFPA standarts. This flame-resistant shirt will withstand head and flame, so it wont burn in the presence of hot sparks and pieces of metal. Designed with a comfortable, relaxed fit, this FR shirt fits loosely around your body. Use the button-through rounded patch pocket, with pencil slot, for easy storage. A safety orange ID tag adds high visibility safety. Wear this Wrangler Denim shirt to stop danger right in its tracks.