This black virgin wool blend structured slip-on dress from Alexander Wang features spaghetti straps, a square neck, a fitted silhouette and an over-the-knee length. Dimensions: Model is 5.9/179cm and is wearing a size US 4. Composition: Outer: 58% virgin wool, 38% viscose, 4% spandex/elastane; Lining: 80% nylon, 20% spandex/elastane. Care: Dry clean only.