Saint Laurent's Backless Mini Dress combines structured padded shoulders and a round neckline with a diamond-cut open back for a striking evening look. Key attributes: Black | Noir | Acetate | Adjustable, removable belt with crystal-set oval buckle | Concealed back zipper with hook-and-eye | Button closure at the neck | Padded shoulders | Round neckline | Long sleeves | Diamond-cut open back | Mini length | Crystal-set oval buckle detail | Dimensions & fit: Regular fit | Fits true to size | Composition & care: 53% acetate | 47% viscose | Lining: viscose | Dry clean only.