Carhartt Firm Duck Insulated Bib Overalls CT10439312-ounce, firm hand, 100% ring spun cotton duck canvas, Quilted nylon lining to waist for easy on and off; polyester insulation to waist for midweight warmth, Adjustable elastic suspenders, Multi-compartment bib pocket with zip closure, Zipper fly, Two large front pockets, Hammer loop on right leg, Seam-to-seam chap-style double-front construction, Double-layer knees with openings for added knee pads and cleaning out debris, Ankle-to-thigh leg zippers with storm flaps and snap closures, Reinforced 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, 31-inch inseam