A white toga symbolizing manhood that boys of ancient Rome were allowed to wear at age 15.
The toga of manhood, put on by boys of ancient Rome in their fourteenth year.
Origin of toga-virilis
Latin toga virīlistogatogavirīlisof a man
American Heritage Dictionary of the English Language, 5th Edition
Toga-virilis Sentence Examples
Such events were the birthday of the head of the household; the assumption of the toga virilis by a son; the festival of the Caristia in memory of deceased members of the household; recovery from illness; the entry of a young bride into the house for the first time; return home after a long absence.
In his sixteenth year (87 B.C.) Caesar lost his father, and assumed the toga virilis as the token of manhood.
On the 15th of December 51 Nero completed his fourteenth year, and Agrippina, in view of Claudius's failing health, determined to delay no longer his adoption of the toga virilis.