Quote Originally Posted by campbell View Post
There is no reason to wear a fly plaid or Prince Charlie. Just wear a suit.

But if he’s going to a black tie event a suit wouldn’t be appropriate. If it’s the sort of thing you’d rent a tux for I’d just go out and rent a PC w/ vest for the night. Personally I got a black Argyll with 5 button vest as it fits in at all but the most formal affairs (then I just rent a PC).