100% 10.4 oz Duck Cotton Canvas ? extremely abrasion resistant & brushed for comfort right off the shelf * Triple Needle Stitching throughout the entire pant * YKK Brass Zipper, Riveted Metal Button and Bar Tacks in all key stress areas * Action Diamond Gusset for superior comfort & range of motion * Grosgrain Waistband ? prevents the waist band from shrinking or stretching