You can wear ordinary clothes for the flight, of course.
It's hard for them to go back to ordinary clothes.
When working, they may "wear ordinary clothes if this is more convenient."
He was wearing ordinary clothes, but that wasn't what caught my attention.
To outsiders, it will seem just as if you have your ordinary clothes on.
"How long has it been since you've worn ordinary clothes?"
They wore ordinary clothes, and for the most part were getting along in years.
Clara and her mistress had already put on their ordinary clothes.
The first man who came in was in ordinary clothes.
Several men in ordinary clothes were standing on the road.