Judges wear robes in most jurisdictions and in most nations out of long established custom. However, a judge carries their authority with them wherever they may be and it is not necessary for them to appear in robes to exercise their judicial authority.
They wear clothing that differentiates them from everyone else in the court room. There is no question in anyone's mind who is in charge.
Naked like all the athletes.
The judges will wear a royal purple robe.
Robes
In the United States, judges wear robes. In some countries, judges wear wigs.
Magistrates
any thing
Periwig or peruke .
does you ancient mother wear a tunic
One of the judges in ancient Israel. According to the Book of Judges, he was the son of a Gileadite and a prostitute.
Judges
The Judges selected the competitors
The judges played a key role in keeping the 12 tribes united .
In ancient Rome people were punished by judges who presided over trials.