Carhartt Men's Quilt Lined Sandstone Bib Overall R27 100% Nylon lining quilted midweight polyester insulation Imported Machine Wash Durable, warm bibs featuring adjustable shoulder straps and multiple storage options including hammer and brush loops, reinforced back pockets, and utility chest pockets Double knees with cleanout bottoms to accommodate knee pads. Zip to knee leg openings with a protective wind flap Zip-to-knee leg openings with protective wind flap Triple stitched main seams