Flame resistant. Looks traditional, feels exceptional. Engineered design provides stretch without bulk, and every element works with you so you can work easier. The protection and comfort you need for a tough workday. Made from 8.5-ounce, FR quick duck: 88 percent cotton/12 percent nylon with the rain defender durable water repellent finish. It offers mighty back bi-swing between shoulders for instant recovery, flex elbow for less restriction, freedom gusset under the arms stops ride-ups, has a stand-up collar, left-chest map pocket with zipper closure, two lower-front pockets with zipper closures, left sleeve upper arm pocket, two inside patch pockets with FR hook-and-loop closures, vision front zipper with Nomex FR zipper tape plus inside protective flap, adjustable cuffs with ergonomic shaped sleeve hem, triple-stitched main seams for durability, has the Carhartt FR and NFPA 2112/cat 2 labels sewn on lower front and it meets the performance requirements of NFPA 70e and is UL classified to NFPA 2112.