Elevate your evening style with this elegant Significant Other Demi Column Gown in classic black, size 4. Designed with a striking open back and dramatic long sleeves, this full-length dress features a high neckline with front keyhole detail and twisted bodice cutout for a sophisticated yet daring look. Crafted from a luxe blend of viscose, rayon, and polyester, the dress offers a smooth drape and structured silhouette. The backless design with concealed zip closure enhances its refined appeal, perfect for formal events, weddings, galas, or upscale dinners. Measurements: Pit to Pit: 15" Waist: 25" Sleeve Length: 24" Condition: Excellent, no flaws Retail Price: $286 Keywords: Significant Other gown, black backless dress, formal evening dress, long sleeve cutout dress, size 4 cocktail dress, elegant open back gown, women's designer eveningwear