Men's heavyweight duck jacket with a Sherpa liningThis men's hooded jacket is built to brave wind, cold, and hard days on the job. It's made of our heavyweight cotton duck, which is sanded and brushed for softness. It's made for comfort, with internal rib-knit cuffs and a warm Sherpa lining. Previously known as the Sierra JacketFeatures12-ounce, 100% ringspun cotton washed duckSherpa-lined body for warmth; Quilted nylon sleeve lining for warmth and easy on-and-offAttached sherpa-lined hood with