Ive gone there in shorts and a t shirt. You can be pretty casual.
Business casual to dress is appropriate.
The way you see how people used to dress for restaurants in classic old movies: dressy, classy.
Dressy but not super formal.
I think business casual would be the most appropriate.
Dressy. Although, I've also seen men with dress jeans and a sport coat.
I'd say business casual to dress attire is the norm.
Business Casual to Dress attire
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