formal wear
formal attire

Beginning next week, formal wear will be required on Friday.

A priest says Mass before a group of men in formal wear.

Should I bring my formal wear to the dry cleaner's?

He also designed formal wear for men, although it was anything but traditional dinner suits.

Learn all about wedding style and formal wear in these articles.

He too had exchanged his uniform for less formal wear.

Formal wear (jacket) is not only expected, but required for dinner.

In our house formal wear is favored, although accessories are high on the list.

The team was remarkable for the fact that the players played in full suits and formal wear.

The Pancha is considered formal wear all over the country.