Tough enough to do the job this work jacket layers easily over shirts and jackets so it's great for mild or harsh weather.. 12 ounce 100% cotton duck cloth. 6 ounce polyfill nylon lining for added warmth. Hood with dyed to match drawcord. Rib knit cuffs and waistband. Front hand warmer pockets. Port Pockets™. for easy embroidery access