This flame-resistant duck active jac is a perfect combination of comfort, protection, and durability. The jacket is composed of 13-ounce, flame-resistant 100% cotton duck, it is quilted-lined and features two inside patch pockets with flame-resistant hook-and-loop closures, Nomex rib-knit cuffs and waistband, a brass front zipper has Nomex zipper tape with inside and outside protective flaps and hidden snap closure for electric arc protection.