CornerStone Washed Duck Cloth Flannel-Lined Work Jacket. CSJ40Extra-tough, this work-ready jacket has a worn-in look and softer feel thanks to our enzyme wash. Plaid flannel lining adds warmth and makes this durable jacket the right choice both on and off the jobsite., 12-ounce, 100% cotton enzyme washed duck cloth, 100% acrylic flannel body lining, 3-ounce polyfill quilted polyester sleeve lining, Adjustable snap cuffs, Front slash pockets with hidden snap closures, Interior pockets with snap closures, Adjustable button waist tabs, Port Pocket for easy embroidery access