3.6 oz., 52% combed and ringspun cotton, 48% polyester; 40 singles; Marble colors are 4 oz., 91% polyester, 9%combed ringspun cotton, 30 singles; Acid wash colors - 4.2 oz., 52% combed ringspun cotton, 48% poly, 30 singles; Black Mineral Wash is 4.2 oz., 100% Airlume combed and ring-spun cotton, 32 singles; Slub - 3.8 oz., 50% poly, 37.5%combed ringspun cotton, 12.5% rayon, 30 singles ; Speckled - 3.8 oz., 50% poly, 25%combed ringspun cotton, 25% rayon, 30 singles; Retail fit; sideseamed; unisex