Carhartt Duck Quilt-Lined Zip-To-Thigh Bib Overalls. CTR41These 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