Sheer-Back Long Prom Dress: Colors Dress 3907Shine on in this sheer back long satin prom dress 3907 by Colors Dress. With a beaded bodice, this long satin formal dress has thin shoulder straps that lead to the sheer back. The long evening gown has pleats at the waist that top the long satin skirt that opens in a side slit before ending at the floor. So pretty for prom, galas, and other formal events, this sheer back long satin prom dress is ready for the red carpet.