Black Sleeveless Vaness Dress - The classic shift dress is made even more wearable in a ponte knit. Great on its own or layered with tights for colder weather! Black Sleeveless Vaness Dress. Slit v-neck front with leather trim throughout. Front pockets on skirt and hidden side zip. 65% Rayon. 32% Nylon. 3% Spandex. Dry Clean Only.