The term "string vest" is a reference to a sleeveless undershirt that features thin straps, often seen in athletic settings. Some alternate and regional terms for this garment may include "wife beater," "A-shirt," or "sleeveless undershirt." In the United Kingdom, the term "vest" may refer to a sleeveless undershirt of any type, regardless of whether it has strings or not. In Australia and New Zealand, similar garments are known as "singlets." Finally, some people refer to the string vest as a "tank top," although this term can also describe a wide variety of other types of sleeveless shirts.