4.5 oz./yd², 100% combed ring-spun cotton fine jersey; Ash is 99/1 combed ring-spun cotton/polyester; Heather is 90/10 combed ring-spun cotton/polyester; All Blackout colors, Black Leopard, Blended White, Granite Heather, Storm Camo, & all Vintage colors are 60/40 combed ring-spun cotton/polyester; Ash and White are sewn with 100% cotton thread; Topstitched ribbed-knit collar; Shoulder-to-shoulder self-fabric back neck tape; Double-needle sleeves and bottom hem; CPSIA compliant tracking label in side seam; EasyTear™ label; This product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that is WRAP certified; ;