Our popular Washed Duck Work Dungaree also comes in a plaid flannel-lined version for extra on-the-job warmth. It provides all the usual good things like extra room in the seat and thigh. Plenty of utility and tool pockets. A hammer loop. And big 19-inch leg openings to fit over any work boot. But this dungaree is lined in 100% cotton flannel to take the chill out of cold weather. Available in four colors that coordinate with Carhartt shirts, sweats, jackets and vestsFor over 115 years, Carhartt has manufactured premium workwear known for exceptional durability, comfort, quality of construction, and fit that you can feel in the fabrics and see in the performance.