Parameter Metallic Edge Knit Dress Its unlined; the back is shaped with a center seam and the material of the body of the dress feels like a cotton-blend. This adorable, breezy dress has a wide a-line fit, with pleating at the neckline, 1 _-inch metallic shoulder straps, matching 6 & _-inch metallic ruffled hem and separate 1 _-inch-wide metallic belt. 75% viscose / 25% linen