The SAYSKY 2 in 1 Compression Pace Shorts 5'' has a tight comfortable fit to promote blood flow to the thighs, which improve oxygenation of muscle tissue and let you recover faster. These shorts are breathable, sweat-wicking, and have excellent stretching abilities. The inner shorts are made of a high-quality blend of 90% nylon and 10% spandex which make them stay in place and ensure superior comfort on the run. Furthermore, they feature a sweat repellent back pocket and an inside pocket for gels.