This is a black long sleeved dress by Eileen Fisher in a size XS. Fabric is viscose and spandex so has some stretch. Machine wash. Excellent condition with no known flaws. Has a strip of fabric down the back that creates a kind of vertical 3 dimensional stripe. Approximate measurements:Underarm to underarm: 18.5 inchesLength at center of back from neckline to hem: 36.5 inches