Loading... Please wait...Our sandstone duck bib overall will keep you warm all day. Made of 12-ounce, 100% sandstone duck, it is lined with a midweight, 100% Quilted Nylon Polyester. It features Double knees with cleanout bottoms to accommodate knee pads and has zip to knee leg openings with a protective wind flap. It also has several tool and utility Pockets, a hammer loop and brush loop. Back Pockets are Reinforced for durability.