Self: 79% recycled poly 21% spandexContrast: 83% nylon 17% spandexContrast 2: 91 poly 9% spandex. Climacool ventilation. Moisture wick technology. Sheer mesh side panels. Stretch fit. ADID-WM221. BS1370. Adidas by Stella McCartney offers women cutting age sports performance clothing they can work out in while still feeling good about the way they look. Not compromising style for performance, the balance is struck between fashion and sport.