4.2 oz./yd² (US) 7 oz./L yd (CA), 52/48 Airlume combed and ring-spun cotton/polyester, 32 singles Athletic Heather & Black Heather are 90/10 Airlume combed and ring-spun cotton/polyester Heather Prism colors are 99/1 Airlume combed and ring-spun cotton/ polyester (Unique coloring, grey flecks of heather pulled through the base color) Pre-shrunk Retail fit Unisex sizing Coverstitched collar and sleeves Shoulder-to-shoulder taping Side seams Tear away label