12 oz. 100% ringsprun cotton duck, Carhartt strong, triple-stitched main seams, Adjustable elastic suspenders for a personalized fit, Stretch piecing at the waist for increased range of motion, Multi-compartment bib pocket with zip closure, Two large lower-front ledge pockets, Two reinforced back pockets and right-leg hammer loop, Double-layer knees with openings for adding knee pads and cleaning out debris, Reinforced 360-degree kick panels around cuffs add durability, Machine wash warm and tumble dry medium,