This Wrangler FR Henley work shirt is designed to keep you safe when you're working around fire hazards. This shirt is 100% cotton jersey knit shirt so it will self-extinguish to prevent or significantly decrease the severity of burn injuries. The flame-resistant properties of the shirt meets ASTM requirements as well as the safety requirements of other major protection agencies include OSHA and NFPA. The safety orange outside ID gives you a point of high visibility if you're working in the dark. In addition to protecting you from injury the shirt is also designed to help you work comfortably. The relaxed fit gives you room to move when you are hard at work. There is a front chest pocket as well that gives you a handy spot for pens, gum or other items you need to keep close. The long sleeves are designed to keep you warm on chilly work sites and or protected from the harmful sun rays. The shirt is a dark navy blue which is an easy hue to match with your work pants or to layer, and features a Henley design with buttons at the collar.