3.6 oz./yd² (US) 5.7 oz./L yd (CA), 52/48 Airlume combed and ring-spun cotton/polyester, 40 singles. Triblends are 3.8 oz./yd², 50/25/25 polyester/Airlume combed and ring-spun cotton/rayon, 40 singles. Tear away label. Pre-shrunk. Retail fit. Side seams. Unisex sizing. Contrast raglan sleeves and collar. Marbles are 4 oz./yd², 91/9 polyester/Airlume combed and ring-spun cotton, 32 singles. Black Heather is 4.2 oz./yd², 90/10 Airlume combed and cotton ring-spun cotton/polyester.