Calvin Klein black lined sleeveless dress tapered to fit size 6

This little black crepe dress by Calvin Klein still has tags attached. It is fully lined and has a zip back and a 5 inch slit in the back. Originally a 2 piece set this dress was sold separately. It is a size 6 and is a total of 37 inches from shoulders to hem and 18 inches across the chest while laying flat (CL1)