hi! there's always room for more input, but meanwhile check out previous responses in these posts
When did men wearing hats become so universal and when did it cease?
Why were men's hats/caps so common in the early 1900s?
In American history, when did wearing hats as an everyday occurrence fall out of fashion (and, I guess, what was the reason?)
The place of hats, and their decline?
Why was wearing hats so popular in the past? The fact that it’s much less popular in recent decades suggests perhaps that they aren’t that necessary as protection against the elements, so what would the reason have been?
Why/when did top hats go out of fashion?