Great vintage dress!  Lined, Pockets!

Back zipper.  Shoulder pads. I believe it's wool or wool blend.  Has a felt feel.

MEDIUM is an estimate.  Pics taken on a size two mannequin unaltered.

Approximate measurement:  Chest pit to pit 18", Shoulder to shoulder 16.5", waist across 13.5", Hips across 20", Length 39" (approx. knee length), Waist to hem 25", sleeves 22.5”.