4.5 oz./yd², 100% combed ring-spun cotton jerseyHeather is 90/10 combed ring-spun cotton/polyesterGranite Heather & Vintage colors are 60/40 combed ring-spun cotton/polyesterWhite is sewn with 100% cotton threadRibbed collar and cuffsShoulder-to-shoulder self-fabric back neck tapeDouble-needle stitched bottom hemCPSIA compliant tracking label in side seamEasyTear™ labelThis product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that is WRAP certified