3.7 oz./yd (US) 6.2 oz./L yd (CA), 65/35 polyester/viscose, 32 singles. Athletic Heather is 52/48 polyester/viscose. Black Heather is 80/20 viscose/polyester. Triblends are 3.8 oz./yd, 50/25/25 polyester/ airlume combed and ringspun cotton/rayon, 40 singles. Mineral Wash * is 4.2 oz./yd, 100% airlume combed and ringspun cotton, 32 singles. Slubs are 4 oz./yd, 50/37.5/12.5 polyester/ airlume combed and ringspun cotton/rayon, 32 singles. Relaxed, drapey fit. Side seams. Tear away label. *Due to the specialized washing process, each shirt is unique.