This backless dress checks all our boxes: looks great, feels great, packs easily for travel—in our 100% silk crepe de chine. Plus, did we mention it's also machine washable? Fitted: Slim. Sits close to the body with a fit & flare silhouette. Maxi length. Halter tie at neck and back. Invisible zip at back skirt waistband. Invisible zip at back skirt waistband. Unlined bodice. Lined upper panel of skirt.