Definition - What does Spandex mean?
Spandex is a synthetic fiber that is known for its elasticity. The name spandex is an anagram for the word expands. Spandex is also known as lycra and elastane.
Kinkly explains Spandex
Spandex is most often used in the clothing industry either on its own or as a blend with other materials to increase the flexibility of clothing fabric. Spandex is also widely used due to its strength and its ability to return to its natural shape after wear. For these reasons, as well as its ability to dry rapidly, spandex is used in a variety of different activewear.