Gap Women's Black Strapless Party Dress with Silver Metallic Threads

Size 2 - 13.5" armpit to armpit across the BACK of the dress; 12.5" across waist. strapless party dress/bridesmaid dress/formal occasion dress. Polyester/Viscose blend w/ silver metallic threads woven throughout for stunning effect. Smocked panel at back helps achieve best fit. Boning at sides provide support at bust. Back zipper. Rubberized strip on top inside helps keep everything secure & in place.