Triblends are 3.8 oz./yd², 50/25/25 polyester/Airlume combed and ring-spun cotton/rayon, 40 singles. Ash is 99/1 Airlume combed and ring-spun cotton/polyester. Side seams. Unisex sizing. Tear away label. Pre-shrunk. Retail fit. Alternate Heather colors are 52/48 Airlume combed and ring-spun cotton/polyester. 4.2 oz./yd² (US) 7 oz./L yd (CA), 100% Airlume combed and ring-spun cotton, 32 singles. Neons are 3.6 oz./yd², 52/48 Airlume combed and ring-spun cotton/polyester, 40 singles. Athletic Heather & Black Heather are 90/10 Airlume combed and ring-spun cotton/polyester.