Atria Backless Long Mermaid Prom Dress 6811HFlirty and fun, this backless long mermaid prom dress is a rich design for the girl who loves a glamorous style. With a plunging v neckline, this long designer dress from Atria includes shoulder straps that criss cross the open back, while back ruching enhances the booty. The backless evening gown smooths over the hips before flowing to the floor in a romantic mermaid shape that completes the look. Proudly made in the U. S. A., this backless long