4.5 oz./yd², 100% combed ring-spun cotton; Heather is 90/10 combed ring-spun cotton/polyester; Granite Heather, Storm Camo & Vintage colors are 60/40 combed ring-spun cotton/polyester; Contrast, self-fabric back neck tape; Side seams; Double-needle sleeves and bottom hem; Droptail with side vent construction; EasyTear™ label; This product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that is WRAP certified;