Interesting enough took the wife to a nice sushi restaurant for her birthday, most patrons dressed nicely, it's FL so nice shorts and golf shirt, more is acceptable here than elsewhere.

and then, in walks Yabo 1 an Yabo 2.....

These two yabos, sitting at tables with ball caps on, T-shirts and gym shorts, They have the family there, both wives and kids are properly dressed. These two look like they should be across the street at the sports bar.

Allowed, yep, acceptable, no....

I remove mine; it's how I was raised, and I was in the military. If there's no place to put a hat, and I am wearing a simple billed cap, it gets tucked in my belt at the back.

I only wear a broad brimmed hat to places where I know there's a place to hang it, which is pretty rare, these days.