These overalls are quilt-lined to keep you warm on the job site. 12-ounce firm hand 100% ring spun cotton duck canvas Nylon lining quilted to midweight-polyester insulation Adjustable front-elastic suspenders with highly durable clasps Multi-compartment bib pocket with zippered closure Zipper fly Two large lower-front pockets Hammer loops on the left and right legs Chap-style double-front construction Double-front knee construction with cleanout bottoms that can accommodate knee pads Ankle-to-thigh leg zippers with storm flaps and snap closures Cordura back-leg kick panels Two reinforced back pockets Metal rivets at vital stress points Carhartt-strong triple-stitched main seams Carhartt label sewn on bib pocket