5.5 oz./yd², 100% combed ring-spun cotton premium jersey; Granite Heather is 60/40 combed ring-spun cotton/polyester; Heather is 90//10 combed ring-spun cotton/polyester; Double-needle ribbed binding; 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