Tough 8.5-oz. cotton canvas. Preshrunk 100% cotton flannel lining. Durable, comfortable and functional. Superior fit. Patented rear strap and slash pocket design. Double and triple-stitch construction. 48 bartacks in high stress areas. Self-adjusting comfort waistband. Double thick seat and knees. Genuine YKK© zippers and Prym© snaps. Convenient D-ring. 7 pockets. Perfect for the Outdoors. Including Hunting and Hiking.