What type of attire is appropriate in Belgium for a nice restaurant for both men and women? ?

Question

How about afternoon tea in a fancy hotel? Any other style tips to help me not look like a boorish American?

Answer 1

Smart casual.

No rugby shirt or streetwear, but don't overdress either!

Answer 2

Dress code varies but afternoons can be mostly "business casual", on Sundays people will dress up slightly more than on weekdays and Saturdays, and you can't really overdress (of course you shouldn't come in evening wear).

If you go on sites like BruPhils, Xandres you will get an idea on how Belgian people would dress for an afternoon tea in a fancy hotel