Vintage 80s Balloon Sleeve Knit Sweater Geometric Pattern S M

Great vintage sweater! Black with colorful geometric design. Stretchy bottom edge and bottom of cuffs. No size or fabric content label but measures like a small to medium. Bust approx. 36, bottom edge stretches approx. 22-36 inches. Length approx. 21 inches. Yarn feels like a synthetic. Small label inside "Fabric Design U.M.I. Collections". Excellent condition other than missing size and fabric content label.