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. 8.5-Ounce, FR quick duck: 88 percent cotton/12 percent nylon with rain defender durable water repellent ? 20 percent lighter but just as warm as heavier outerwear ? insulated with 150 gram 3 m thinsulate platinum insulation FR ? mighty back bi-swing between shoulders for instant recovery ? flex elbow for less restriction ? freedom gusset under the arms stops ride-ups ? stand-up collar with flap to cover hidden snaps for detachable optional FR hood (102183) ? two-chest pockets with flaps and hidden snap closures ? two lower-front pockets with snap closures ? left sleeve upper arm pocket ?two inside patch pockets with FR hook-and-loop closures ? brass zipper front with Nomex FR zipper-tape plus inside and outside protective flaps and snap closure for electric-arc protection ? Nomex FR inside-waist adjustable draw cord ? internal rib knit storm cuffs with ergonomic shaped sleeve hem ? inside pocket with hook and loop closure ? triple-stitched main seams for durability ? back length: large regular: 30 inches; large tall: 32 inches ? Carhartt FR and NFPA 2112/cat 3 labels sewn on left chest pocket ? meets the performance requirements of NFPA 70E and is UL Classified to NFPA 2112