Over time, factory workers, farmers, and laborers began wearing T-shirts alone because they were practical and comfortable during hot weather. Their popularity increased even more during the 1950s when famous Hollywood actors helped turn them into fashionable clothing. Actors like Marlon Brando in A Streetcar Named Desire and James Dean in Rebel Without a Cause made plain white T-shirts look stylish, confident, and rebellious.
Why Do We Call Them T-shirts?