Draw admiring eyes in this classic long satin a-line prom dress by Eureka. Crafted in gleaming satin from the surplice v-neckline to the hem, this long a-line evening gown is sure to elevate your evening look. In misses and some plus sizes, this long formal dress has a long skirt that flows to the floor in an a-line shape to flatter the figure for prom, galas, and other black-tie events. Surprisingly affordable, this classic long satin a-line prom dress costs under $200 but looks like a million bucks.