Vintage Mary McFadden Kaftan Mumu Floral OS Long

Vintage 1980's? Floral Mary McFadden Kaftan Mumu Caftan Lounge Maxi Boho Dress Floral Floral OS. Shimmery material is pastel color design of blues, pink and white. Slit up one side at leg. V neck No size tag but I compared it to others listed and it looks like a one size. Check measurements: 28" pit to pit, 53" top to bottom, 57" hips around Excellent condition. Doesn't look worn much, if at all