Classic Little Black Dress sleeveless backless halter style with gold necklace by Calvin Klein Size 8 Has a unique gold "necklace" so to speak that is threaded through and acts as the collar. There is a clasp on the back of this gold necklace in order to put it on. Zippered Back Lined throughout and in front 95% Polyester 5% Nylon The backless design adds a hint of sensuality. Whether you’re attending a cocktail party, a romantic dinner, or a special event, this Calvin Klein LBD is the epitome of understated glamour. Pair it with strappy heels and a clutch for a look that exudes confidence and style.