Vintage late 70s to 1980s chiffon blouse by Siasia.  Double layered with solid grey underneath. Top layer has sweeping pink and dark grey stripes. Batwing style sleeves. Slips on over the head. In very good condition, two tiny faint spots near the neckline on front and back, see last photo.

Tag size is large but this is best fit for a medium. Meant to fit loose and there is no opening so entire shoulders and bust must fit through the waist/hips. There is no stretch at all to this blouse. 

Bust - 38 inches
Waist / Hips - 44 inches
Length - 28 inches
Sleeves from neck to cuff of under layer - 16 inches