Bally Total Fitness Womens Casual-wear Lounge / Yoga Pants Comfortable & lightweight fabric: 90% polyester, 10% spandex material; Machine washable. 100% Authentic Bally Total Fitness merchandise, satisfaction guaranteed. Wide elastic waistband for add comfort; Brand logo printed on left leg for a classic look. Perfect as loungewear or yoga wear; Pair with your favorite comfy tee.