I don't remember these being around when I was a kid in the 60s, but it's entirely possible that they fall under the "massive amount of events I've repressed from my childhood" category.
It's too late for me now. And $75? C'mon, dude.
Dammit, Jim! I'm a boxer-brief man!
Highly Questionable: Retro Star Trek Drawers , via Geekologie