The “limited fashion choices for a man to wear” was enforced by men, not women. It’s not the slam dunk argument you seem to think it is. (Especially considering during the same era women couldn’t own property or vote.) Men have had privilege for nearly all of recorded history.

I know you’re just doubling down on your argument here, which is a normal human thing. You should really read up on the topic and see what experts say about sexism. There are lots of good citations in the Wikipedia article here: https://en.m.wikipedia.org/wiki/Sexism