From Barbie Wiki:
Released in 1967.
"BarbieĀ® doll's comfortable floral jersey hostess pajama with palazzo
pants featured a one-shoulder bodice and back zipper. To add more
glamour, the pajama was topped by a bright blue and Kelly green satin
full-length hostess dress. It featured a split skirt. Royal blue or rare
navy closed-toe shoes and interesting earrings completed the set. The
earrings were big navy plastic discs with four "gold" accent circles.
Comes with paisley jumpsuit, blue/green dress, blue shoes, green hanger, and earrings. DOLL NOT INCLUDED.