Eastbay EVAPOR Compression Singlet - Women's Become your personal best in the Eastbay Compression Track Singlet. This track top uses EVAPORô permanent moisture-management fabric to wick unwanted sweat away from your body to be easily evaporated, leaving you cool, dry and fast! The compression fit clings to the body reducing resistance and muscle fatigue while increasing speed and performance. Stretch-mesh ventilated panels provide additional breathability to aid you in any event. Get in the medals with the Eastbay Compression Track Singlet. 170 gram 84% polyester/16% spandex. Imported.