stretch fabric ,four-way elastic , soft handfeeling , colourfastness 3.5-4 ... and sportswear clothes . Spandex, or lycra, is a synthetic fabric with a base, like or . Spandex, however, has ... it is this fact that is responsible for the fabric's peculiarly qualities. Polyurethanes are manufactured by causing ... these applications, the ability to wick moisture and stretch is vital and makes a big difference to ...