A blend of nylon and spandex and similar to our compression shorts, our compression fitness leggings forkids offer moisture-wicking support for active lifestyles and help you with daily gym fitness, outdoor hiking, and sports such as golf, jogging, marathons, soccer, yoga, and baseball. Firm compression in ourkidsathletic pants enhances oxygen and circulation in the legs, reducing lactic acid buildup in muscles and allowing you perform at your peak!