VINTAGE Black Satin Dress Pants - fancy formal event pants 80s tapered leg

Non-stretch black satin. Found at an estate sale, so cannot speak to its past, but seems to be in great condition. Waist is VERY small compared to the hips, so please note the measurements: waist: 13" (33.5cm) hips: 20.5" (53cm) inseam: 28.5" (72cm) rise: 13.5" (34cm)