Arianne Slip Dress ColaArianne Slip Dress Cola by Nude Lucy. The Arianne Cupro Midi Dress is cut from our signature Cupro fabrication with a smooth suede hand feel. Cut on the bias, this silhouette drapes over the body softly and finishes ankle length. Features include a v neckline with a gathered under bust seam, thick shoulder straps and an invisible zip opening through centre back. Materials: 60% Cupro 40% Viscose Sizing: Our model is 176cm and wearing a size small.