Adidas by Stella McCartney's ability to blend functional sportswear and laidback style has proved a hit with active fashionistas everywhere. The Brit designer joined up with Adidas in 2004 to create performance collections. The collection includes apparel for swim, gym, running, tennis, golf and wintersports, as well as bags. Stella McCarney added a branch called Gym Yoga to her sports range for Adidas for the spring/summer 2007. Her Adidas contract was extended until 2010.