Carhartt Mens Quilt Lined Zip to Waist Bib Overalls. 12 oz Cotton Duck. Machine wash warm with like colors all hooks and loops closed. Do not bleach. Tumble dry medium, remove promptly. Steam iron shell only. Overalls in 12-ounce cotton featuring adjustable shoulder straps, hand pockets, and side-zip legs with snap closures. Fully-insulated bib. Tonal knee patches with openings for knee pads. Triple-stitched seams.