Material tag is missing, but feels like viscose– has a really heavy, slinky hang. Good vintage condition. Tag size medium, but can really work on just about anyone (please see measurements; shown on a small).
Approximate flat measurements:
Pit to pit: open
Shoulder to hem: 61
*measurements taken on the outside of the piece, and may have some minor discrepancy of human error since most garments are not rigid objects*

Model’s measurements:
Height: 5’6”
Waist: 26”