They were outlawed last year, and this is the first major, international meet to feature swimmers wearing traditional suits.
The traditional suits of the men consist of jacket done up to a side and long pants.
Why now, when men's vests - and traditional three-piece suits, for that matter - have largely disappeared?
At first he was buying very traditional suits.
The traditional suit of the women is of bright colors.
The need to appear in a traditional matched suit has eased in most professions.
It is part of the change in women's fashion from the traditional two-piece suit to separates.
In some ways, the plaintiffs brought a very traditional antitrust suit.
The lapels are very sharp, a little more stylized than a traditional suit.