Sleek and classy, this simple long prom dress is chic and versatile for a variety of formal occasions. The unadorned jersey of this classic prom dress smoothly hugs the figure from the square neckline through the hips. Along with a v-shaped open back, this tight prom dress has a side slit that heightens the sophisticated allure of this design. For a timeless formal look, wear this classic jersey long prom dress.