UPDATE IV: Barney sent a photo of his rare Whitco Bikini Top attached to a 1971 CJ-5 (with his dog Manny smiling in the back). While not exactly like the bikini tops we saw in the later 1970s, it likely represents the first production example of what became the bikini top (if defined by attached to the windshield in the front and held in place by straps in the back)

UPDATE III: It appears the definition of the Bimini top is that it is open in the front, which isn’t consistent with the tops we’re discussing below ….  I’m trying to determine when/where the top cover originated that, in the front, connects to the windshield, then goes over a mid-bar (usually a roll bar), and, in the back, is held in place by two straps from either side of the top.

Here’s a DIY Bikini top made from a 4-by-4-foot canvas tarp via Four Wheeler Mag: https://www.motortrend.com/how-to/diy-bikini-top-willys-jeep/

UPDATE II: This Whitco brochure shows that the company was advertising a “Bikini” top during the 1960s, though it isn’t the design of top (like the one below) I was hoping to document. This top is closer to a Surrey top design.

https://www.autopaper.com/images/27371/photo/img6584_104155.jpg

UPDATE: Vernon notes that these were also called Bimini tops, a term I think came from the boating world?

Maury asked me if I knew when bikini tops were first produced. I don’t have any information on this.  My guess is they arrived for jeeps in the mid-1970s as none of my earlier parts catalogs show the bikini top as an option. Anyone remember when they first started seeing them?

Pic for reference: