Actually, I couldn't find any authentic combinations, but I did find these vintage ads for men's underthings. You'll cry, I swear.
There's so much to notice on these ads, I can't begin to cover it all. Just see for yourself.
I love the peek-a-boo sides on his trunks. Actually, I'd rather see him with the poolboy.
A corking tug-of-war:
Where's the shuttlecock? And how did that guy get Bertie Wooster's socks?
Tee hee!
I love the stretch:
What's the significance of the log?
And finally, the 70s live on in sock form:
And in underpants form: