Zoeniya Women's Tight Yoga Pants Walking Running Workout Leggings 88%Polyester, 12% Lycra 88%Polyester, 12% Lycra. Nylon based breathable and stretchy fabric. Wide elastic waistband; streamlines your shape; stay in place when you work out. Stretchy waistband with hidden pocket for convenience. Perfect for yoga, exercise, fitness, running,any type of workout, or everyday use.