An undershirt in American English, vest in British and South African English, baniyan in the Indian subcontinent, or singlet in Australia and New Zealand, is an article of underwear worn underneath a
Example of a T-shirt to be worn as an undershirt and usually not as outerwear
A sleeveless shirt, also known as a tank top, "wife beater", among other names, is a shirt that is manufactured without sleeves or with sleeves that have been cut off. Depending on the style, they can
Undershirt
…article of underwear worn underneath a shirt for warmth or to protect it from body sweat and odors. It can have short sleeves (T-shirt) or be sleeveless (A-shirt). An undershirt may be worn to protect the body from stiff or otherwise uncomfortable fabric. It also makes dress shirts less transparent, and absorbs…