CornerStone - Duck Cloth Work Jacket. A workwear staple, this jacket has triple-needle stitching at the shoulders and armholes so it will last job after job. 12-ounce, 100% cotton duck cloth 6-ounce polyfill nylon dyed-to-match lining Corduroy collar Bi-swing back Zippered chest pocket Adjustable 2-snap sleeves Front slash pockets Adjustable button waist tabs Port Pocket for easy embroidery access