Groovy vintage Hawaiian bikini top and tie-front vest with adjustable underbust.   Feels like softened cotton poplin or heavy lawn.  Full coverage (not sheer), and bikini top is fully lined.  Bikini band and vest drawstring band have thin strips of elastic in good vintage condition.

Bikini top features adjustable straps with two buttons, and center back looks like it could be let out a little bit. 

In great vintage condition!

Measurements taken flat.

Bikini measurements

Vest measurements: