Many service members continued wearing similar shirts after returning home, helping introduce the style into everyday civilian fashion.
## From Undergarment to Fashion Statement
For many years, wearing only a T-shirt in public was considered too informal.
Social expectations gradually changed.
As lifestyles became more casual, the T-shirt evolved from hidden underwear into everyday clothing.
Today it is difficult to imagine a wardrobe without one.
People wear T-shirts:
* At home
* At work in casual settings
* While exercising
* During travel
* At concerts
* On vacations
* While sleeping
* Even under business attire
Few garments have become as universally accepted.
## Why T-Shirts Became So Popular
The popularity of the T-shirt isn't accidental.
Its design offers several practical advantages.
### Comfort
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