Made of heavyweight 12-oz., 100% cotton duck fabric, the Carhartt Unlined Duck Bib Overall is built tough to withstand all your heavy-duty work needs. Double-layer knees can accommodate knee pads (not included) for even greater durability. Multiple tool and utility pockets, reinforced back pockets, and a hammer loop provide ample storage space for your essential gear. Cleanout bottoms. Imported. Style #: R01.