NIKE Epic Lux Flash Women's Running Tights 78% nylon / 22% spandex Imported Style Number: 687012-010 Dri-FIT fabric wicks sweat with stretch for mobility. Full-length design delivers a locked-down feel. Allover reflective print remains visible in low-light conditions. Flat-seam construction helps reduce irritation caused by chafing. Wide elastic waistband has an internal drawcord to provide a personalized fit. 78% NYLON 22% SPANDEX