3.6 oz. 52% combed and ringspun cotton 48% polyester 40 singles Marble colors are 91% polyester 9%combed ringspun cotton 30 singles 4 oz. Acid wash colors 52% combed ringspun cotton 48% poly 30 singles 4.2 oz. Black Mineral Wash is 52%combed ringspun cotton 48% poly 30 singles 4.2 oz. Slub 50% poly 37.5%combed ringspun cotton 12.5% rayon 30 singles 3.8 oz. Speckled 50% poly 25%combed ringspun cotton 25% rayon 30 singles 3.8 oz. retail fit sideseamed unisex sizing