1) Adidas acquired Reebok in 2005 for 3.1 billion euros to gain a stronger foothold in the US market and better compete with Nike. 2) At the time of the merger, Nike had 36% of the US athletic shoe market, while Adidas and Reebok had 8.9% and 12.2% respectively. 3) The merger combined Adidas' strength in higher-end performance shoes with Reebok's focus on the middle market, but integrating their different cultures posed challenges to realizing the benefits of the deal.