Brunette Girl Wearing Jean Vest And Red Stockings On The Bed

(a sleeveless under-jacket). This is called a waistcoat in the UK and many Commonwealth countries, or a vest in the US and Canada. It is often worn as part of formal attire, or as the third piece of a lounge suit.
• Undershirt
(an undergarment, normally worn under a shirt). It is known as an undershirt in the US and Canada, vest in the UK and many Commonwealth countries, and singlet in Australia and Asia, and is typically in the form of a T-shirt or sleeveless top. It is also known by the slang name wife-beater or just beater for short in various countries.