Nike Epic Lux Women's Running Tights Midnight Navy/Midnight Navy Large Body: Dri-FIT 77% nylon/23% spandex. Mesh: Dri-FIT 81% nylon/19% spandex. Gusset lining: Dri-FIT 100% recycled polyester Imported The fabric's higher spandex content adds more stretch, creating a tight, ultra-supportive fit that enhances your range of motion as you run. Mesh panels behind your knees provide optimal ventilation. Sleek Dri-FIT fabric helps keep you dry and comfortable by wicking sweat away to the fabric's surface, where it quickly evaporates. Wide elastic waistband with internal drawcord and slash pocket for a secure fit that flatters. Zip back pocket for secure storage. Flat seams feel smooth against your skin as you run. Reflective elements enhance visibility in low light