Seamed dress with sweetheart back detail Sweetheart neckline Sleeveless Concealed back zip Back slit About 27" from natural waist Polyamide/viscose/spandex Dry clean Made in USA of imported fabric Models shown is 5'10" (177cm) wearing US size 4. Dress Collections - Contemporary Evening > Saks Fifth Avenue > Barneys. Black Halo. Color: Black. Size: 4.