3.7 oz. 65/35 polyester/viscose 30 singles. Athletic Heather is 52/48 polyester/viscose. Marbles are 3.5 oz. 91/9 polyester/combed and ringspun cotton 40 singles. Slubs are 4 oz. 50/37.5/12.5 polyester/combed and ringspun cotton/rayon 30 singles. Stripes are 70/30 rayon/polyester. Shirring at racerback seam. Side seams relaxed drapey fit. Merrowed bottom hem.