Generally, most are business casual, but they don't send people away for bring dressed more casual.
You can go.and pijamas will be ok
Agree with kevin, its upscale but I saw men with Jean's, collared shirt and jacket and looked fine
I would say with a dress shirt or collared shirt you are ok, it is an upscale restaurant but show some class with how you are dressed and you will be fine
No jeans unless youre wearing a nice jacket with them
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