The legging is made from a number of different fabrics, but almost all of them are composite materials mixed with a small amount of spandex to make them super stretchy. The most commonly used legging fabric is nylon/spandex or polyester/spandex. These two fabrics are both man-made and naturally resist stains.eggings are usually worn as outerwear paired with long shirts and tunics. The wearer may also choose to add a pair of high heels or platforms to the look. Leggings draw the eye down the leg and help make a pair of high quality shoes stand out.