Body Lining: 65% polyester, 35% cotton twill; Sleeve Lining: Polyester taffeta; Shell: 10 oz., 100% cotton sanded duck; Pleated elbows and action back extend range of motion; Adjustable snap cuffs provide a custom fit; Rib-knit waistband and pocket opening trap the heat; Heavy-duty brass front zipper and triple-needle main seams hold up to tough tasks; Three inside pockets and two front patch pockets provide convenient storage