There seems to be an up and coming trend for "ONESIES", rather like Babygrows for grownups. They remind me very much of 1970s jumpsuits.
Here are 2 of my 1970's jumpsuits, which actually could still be worn now (if we had them!).
And here is Joan Collins back then wearing that jumpsuit in Black crepe printed with half moons. All these photos are from my book Bus Stop.
I didn't do clothes for men, but I wanted to share with you this ad for a man's 1970s jumpsuit, from the wonderful Retronaut website - the 1970s advertising copy is something I'm delighted has not come back into fashion!