Polyester Imported Zipper closure Shell fabric is 7.5 oz. 65% polyester 35% cotton perm-press twill; lining is medium-weight insulation quilted to taffeta Insulated high back design and outside storm flap block the cold Four-needle stitched waistband with elastic inserts and adjustable elasticized bib straps for comfortable fit Triple-needle stitched main seams, knee-length heavy-duty brass zipper and brass two-way front zipper hold up to wear and tear Double inside chest pockets, two swing pockets, two reinforced hip pockets, left with brass zipper; side utility pockets and hammer loop all provide sturdy storage