Nina Ricci Long Backless Dress is a maxi gown defined by a plunging halter and sculpted mermaid silhouette, designed for formal occasions where a dramatic open back is the focal point. Key attributes: Black | Viscose | Plunging halter | Round collar | Long sleeves | Seam detailing | Mermaid silhouette | Backless | Dimensions & fit: Close-fitting mermaid cut. | Fitted — take your regular size. | Model is 178 cm and wears size S. | Composition & care: 83% viscose | 17% Elite