adidas by Stella McCartney True Purpose Optime Training 7/8 Leggings in Yellow. - size L (also in M, S, XL, XS) adidas by Stella McCartney True Purpose Optime Training 7/8 Leggings in Yellow. - size L (also in M, S, XL, XS) Adidas in collaboration with Stella McCartney. Self & Contrast Fabric: 79% recycled polyester 21% recycled elastane Lining: 82% recycled polyester 18% recycled elastane. Made in China. Machine wash. Pull-on styling with elastic waistband. Jersey fabric. Item not sold as set. Waist circumference measures approx 24. ADID-WP199. IN3605. 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. Shop the latest in fashion from adidas by Stella McCartney