This long prom dress, crafted from comfortable jersey fabric, flatters the figure in a curve-cradling fashion. The halter formal dress features a keyhole front adorned with glittering beading on the waistline. Long and sleek, the floor-length skirt of the open-back dress ends with a stylish train. For a stand-out style at prom, black-tie gala, or another formal event. Halter. Mermaid. Sweep train. Jersey. Keyhole. Open back. Beading waistband. Prom party. Pageant. Gala. Formal. Evening. Black tie.