80% Nylon, 20% Spandex Elastic closure Buttery Soft Fabric: These yoga pants are made of super soft and stretchy fabric. They give you a gentle hug when you wear them and like your second skin. The slightly compressed leggings are your good yoga partners. Squat Proof:We use a brand-new fabric, which is not see-through and you can safely wear these pants for squatting and taking any exercises. The workout leggings are suitable for most women because of its ultra stretchy. Inside Pocket: Hidden inner waistband pocket helps to store your necessary items like key，credit cards, cash, etc., no more worrying about misplacing your belongings during your workouts. Flat Seams: There is only a seam on the back of these running pants which can avoid friction on the inner thigh. Chafe-free and ergonomic seams for a natural range of motion. Occasion:Perfect for yoga, biking, volleyball, exercise, fitness, weightlifting, running, any type of workout, or everyday casual use.