Open-Back Tight Long Prom Dress: Atria 6302HIndulge in sultry allure in this open back long prom dress 6302H from Atria Couture. A tight fitting style from the deep v neckline to the hem, this elegant long evening gown is a flirty choice for prom, galas, and other black tie events. In misses and some plus sizes, this tight long formal dress has thin shoulder straps that lead to the open back, while the hip skimming long skirt opens in a side slit before reaching the floor. A classic style for