Spandex is used in more clothing than most people realize. It gives jeans a little extra flexibility, helps leggings maintain their shape, and allows fitted dresses, sports bras, swimwear, and uniforms to move comfortably with the body. But adding spandex does not automatically make a fabric better. The percentage of spandex, the main fiber it is blended with, the fabric construction, weight, stretch direction, and recovery all affect how the final garment performs. Two fabri