Grey suits also became the unofficial uniform of Madison Avenue in New York City, the center of the advertising industry.

Paired with khakis, the shirt has become the unofficial uniform of the season.

Mr. Prasada, dressed in the Congressman's unofficial uniform of white cotton shirt and pants, is an unlikely champion of rebellion.

Those who wanted to appear more serious-minded chose Hollywood's unofficial uniform, the Armani suit.

The local musicians had a kind of unofficial uniform, an echo of what the Guild musicians wore.

Sitting in his office on a recent weekday, he wore the unofficial uniform for a young entrepreneur, oversize polo shirt, baggy cargo pants and sneakers.

Their clothes really are an unofficial uniform of intimidation.

They were supposedly worn by FBI agents as a sort of unofficial uniform in the pre-war years.

On a recent evening, he wore his unofficial uniform: oversized, blackened gloves, a black Smolka Plumbing T-shirt and a baseball cap.

Artie, who was wearing a skater's unofficial uniform (baseball cap, loose shirt, black Lycra shorts), has been Rollerblading since he was 6 years old.