Michael Kors says "That crotch is insane!"
I know. You are so jealous you can hardly contain yourself.
I can see it in your eyes. You are dying to ask me for copies.
Knitting patterns, Japan, circa 1968.
In the dark ages of the 60s, it was important to keep the ladybits warm.
This started at a very young age, but the scratchy woolens annoyed Japanese women.
Note the maternity panties, lower left
There were no corresponding garments for the guys, sorry. They just froze, I guess. No wonder they stayed out late drinking. They were afraid to go home to those cra-jee women.