Our flame-resistant midweight active jac is finished with a 6.75-ounce quilt lining for warmth. Made of 8.5-ounce, flame-resistant canvas, a blend of 88% cotton and 12% high-tenacity nylon, it features two lower front pockets, two inside patch pockets with hook-and-loop closures, Nomex®rib-knit cuffs and waistband, brass front zipper with Nomex® tape plus inside and outside protective flaps with hook-and-loop closure for electric-arc protection. The attached quilt-lined hood has an adjustable Nomex® drawcord.