Final answer:
Luon is a fabric commonly used in athletic wear, made from a blend of polyester, nylon, and spandex fibers.
Step-by-step explanation:
Luon is a type of fabric commonly used in athletic wear, particularly by the brand Lululemon. It is not specifically made from a single type of yarn or fiber, but rather a blend of different materials including polyester, nylon, and spandex. This combination of fibers gives Luon fabric its stretch, durability, and moisture-wicking properties, making it suitable for active and comfortable use.