PAs with a "tux" (hate to call it a "dinner jacket" in this case) are fine.
With that said, you should ask your friend beforehand. Not that he'll notice, but his bride might.
You can simply say, "Hey, I have another pair of formal shoes. Do you mind if I wear 'em? I am not comfortable in the rentals." If he chooses to understand that as "your feet hurt in the rentals", that is fine.
With that said, you should ask your friend beforehand. Not that he'll notice, but his bride might.
You can simply say, "Hey, I have another pair of formal shoes. Do you mind if I wear 'em? I am not comfortable in the rentals." If he chooses to understand that as "your feet hurt in the rentals", that is fine.