When you need durable workwear that's as rugged and handy as you are, you can trust the Carhartt(R) Men's Sandstone Duck Bib Overalls to get the job done. 100% sandstone duck. Lined with midweight, 100% quilted nylon polyester. Double knees. Cleanout bottoms accommodate knee pads. Zip-to-knee leg openings. Protective wind flap. Several tool and utility pockets. Hammer and brush loops. Back pockets are reinforced for durability. Weight: 12 oz. .