This is Carhartt's heavy-duty cotton canvas that lasts, it's pre-washed for softness and comfort, and it fits like a work pant should. This classic pant starts out comfortable from day 1 and works until the job is done. Model: B11 Color: Black (BLK) 12-ounce, 100% ring-spun cotton duck Sits at the natural waist; full seat and thigh Multiple tool and utility pockets Hammer loop Two reinforced back pockets 19" leg opening fits over work boots Fit Guide: Loose Fit: Sits higher up, at the natural waist. Gives more room with a full seat and thigh, and sits wider in the lower leg with room to fit over work boots