4.5 oz./yd², 100% combed ring-spun cotton, 30 singles; Vintage colors are 60/40 combed ring-spun cotton/polyester; Flatlock-stitched ribbed collar and raglan armholes; Contrast-color double-needle stitched sleeves; Easy moving three-quarter length raglan sleeves; Raw serge shirttail 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 ;