A man walks in front of the Reebok store at Bahrain City Center in Manama, Bahrain September 17, 2017. REUTERS/Hamad I Mohammed 

Boards with Reebok store logo are seen on a shopping center at the outlet village Belaya Dacha outside Moscow, Russia, April 23, 2016. REUTERS/Grigory Dukor 

A board with Reebok store logo is seen on a shopping center at the outlet village Belaya Dacha outside Moscow, Russia, April 23, 2016. REUTERS/Grigory Dukor 

Boards with Reebok store logo are seen on a shopping center at the outlet village Belaya Dacha outside Moscow, Russia, April 23, 2016. REUTERS/Grigory Dukor 

Crossfit sportsman Simon Mueller flips a tyre during a Reebok promotion event in Berlin, Germany, September 2, 2015. German sportswear firm Adidas is underlining its commitment to struggling U.S. brand Reebok by stepping up a major marketing campaign returns to its roots in the personal fitness business. REUTERS/Hannibal Hanschke

Crossfit sportsman Simon Mueller flips a tyre during a Reebok promotion event in Berlin, Germany, September 2, 2015. German sportswear firm Adidas is underlining its commitment to struggling U.S. brand Reebok by stepping up a major marketing campaign returns to its roots in the personal fitness business. REUTERS/Hannibal Hanschke

Australian model Miranda Kerr gestures during a promotional event for Reebok Skyscape shoes series, at the Omotesando Hills in Tokyo, April 15, 2015. REUTERS/Issei Kato 

U.S. First Lady Michelle Obama (L-R), North America Reebok President Uli Becker and former NBA star Shaquille O'Neal attend a back-to-school event at Orr Elementary School in Washington September 6, 2013. REUTERS/Gary Cameron (UNITED STATES - Tags: POLITICS SPORT EDUCATION BUSINESS) 

U.S. track and field Olympic champion Allyson Felix (L-R), Washington D.C. Public Schools Chancellor Kaya Henderson, U.S. First Lady Michelle Obama, North America Reebok President Uli Becker and former NBA star Shaquille O'Neal attend a back-to-school event at Orr Elementary School in Washington September 6, 2013. REUTERS/Gary Cameron (UNITED STATES - Tags: POLITICS SPORT EDUCATION BUSINESS) 

Adidas golf shoes "Adizero" are pictured during the company's annual news conference in Herzogenaurach March 7, 2013. Adidas, the world's second largest sports apparel firm, reported an unexpected loss in the fourth quarter due to writedowns linked to the weak performance of its struggling Reebok brand in the United States and Latin America. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

The Adidas logo is pictured on a shirt during the company's annual news conference in Herzogenaurach March 7, 2013. Adidas, the world's second largest sports apparel firm, reported an unexpected loss in the fourth quarter due to writedowns linked to the weak performance of its struggling Reebok brand in the United States and Latin America. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

Herbert Hainer, chief executive officer of Adidas, the world's second largest sports apparel firm, attends the company's annual news conference in Herzogenaurach March 7, 2013. Adidas reported an unexpected loss in the fourth quarter, with results hit by writedowns linked to the weak performance of Reebok. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

Herbert Hainer, chief executive officer of Adidas, the world's second largest sports apparel firm, poses before the company's annual news conference in Herzogenaurach March 7, 2013. Adidas reported an unexpected loss in the fourth quarter due to writedowns linked to the weak performance of its struggling Reebok brand in the United States and Latin America. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

The new Adidas shoe "boost" is presented during the company's annual news conference in Herzogenaurach March 7, 2013. Adidas, the world's second largest sports apparel firm, reported an unexpected loss in the fourth quarter due to writedowns linked to the weak performance of its struggling Reebok brand in the United States and Latin America. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

The new Adidas shoe "boost" is presented during the company's annual news conference in Herzogenaurach March 7, 2013. Adidas, the world's second largest sports apparel firm, reported an unexpected loss in the fourth quarter due to writedowns linked to the weak performance of its struggling Reebok brand in the United States and Latin America. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

Herbert Hainer (L), chief executive officer of Adidas, the world's second largest sports apparel firm, and Chief Financial Officer Robin Stalker (C) attend the company's annual news conference in Herzogenaurach March 7, 2013. Adidas reported an unexpected loss in the fourth quarter, with results hit by writedowns linked to the weak performance of Reebok. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

Herbert Hainer (L), chief executive officer of Adidas, the world's second largest sports apparel firm, and Chief Financial Officer Robin Stalker attend the company's annual news conference in Herzogenaurach March 7, 2013. Adidas reported an unexpected loss in the fourth quarter, with results hit by writedowns linked to the weak performance of Reebok. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

Herbert Hainer, chief executive officer of Adidas, the world's second largest sports apparel firm, poses before the company's annual news conference in Herzogenaurach March 7, 2013. Adidas reported an unexpected loss in the fourth quarter due to writedowns linked to the weak performance of its struggling Reebok brand in the United States and Latin America. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

Herbert Hainer, chief executive officer of Adidas, the world's second largest sports apparel firm, poses before the company's annual news conference in Herzogenaurach March 7, 2013. Adidas reported an unexpected loss in the fourth quarter due to writedowns linked to the weak performance of its struggling Reebok brand in the United States and Latin America. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

Herbert Hainer, chief executive officer of Adidas, the world's second largest sports apparel firm, poses before the company's annual news conference in Herzogenaurach March 7, 2013. Adidas, the world's second largest sports apparel firm, reported an unexpected loss in the fourth quarter due to writedowns linked to the weak performance of its struggling Reebok brand in the United States and Latin America. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

Herbert Hainer, chief executive officer of Adidas, the world's second largest sports apparel firm, pauses during the company's annual news conference in Herzogenaurach March 7, 2013. Adidas reported an unexpected loss in the fourth quarter due to writedowns linked to the weak performance of its struggling Reebok brand in the United States and Latin America. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

Herbert Hainer (L), chief executive officer of Adidas, the world's second largest sports apparel firm, and Chief Financial Officer Robin Stalker (R) attend the company's annual news conference in Herzogenaurach March 7, 2013. Adidas reported an unexpected loss in the fourth quarter, with results hit by writedowns linked to the weak performance of Reebok. REUTERS/Michael Dalder (GERMANY - Tags: BUSINESS) 

Herbert Hainer, chief executive officer of Adidas, the world's second largest sports apparel firm, pauses during the company's annual news conference in Herzogenaurach March 7, 2013. Adidas, the world's second largest sports apparel firm, reported an unexpected loss in the fourth quarter, with results hit by writedowns linked to the weak performance of Reebok. REUTERS/Michael Dalder(GERMANY - Tags: BUSINESS HEADSHOT) 

File photo of Adidas shoes are piled up in a display window at the new Adidas Brand Center store, the world's largest of its kind, in Beijing July 3, 2008. Germany's Adidas trimmed its 2012 sales forecast November 8, 2012, due to weaker-than-expected business at its Reebok and Rockport brands, as it met third-quarter profit forecasts. The world's second-largest sportswear firm after Nike said it now expected 2012 sales to increase by a high single-digit percent, compared with its previous forecast for a rise of almost 10 percent. REUTERS/Claro Cortes IV/Files (CHINA - Tags: BUSINESS SPORT) 

CFO of German sporting goods maker Adidas Robin Stalker arrives for the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS HEADSHOT) 

CEO of German sporting goods maker Adidas Herbert Hainer (R) and Chief Financial Officer Robin Stalker pose with a soccer ball before the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS) 

A shoe and a soccer ball by German sporting goods maker are pictured before the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS) 

Different shoes and a soccer ball by German sporting goods maker are pictured before the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS) 

CEO of German sporting goods maker Adidas Herbert Hainer arrives for the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS) 

CEO of German sporting goods maker Adidas Herbert Hainer poses with a soccer ball before the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS) 

CEO of German sporting goods maker Adidas Herbert Hainer poses with a soccer ball before the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS) 

CEO of German sporting goods maker Adidas Herbert Hainer throws a soccer ball before the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS) 

CEO of German sporting goods maker Adidas Herbert Hainer arrives for the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS HEADSHOT) 

CEO of German sporting goods maker Adidas Herbert Hainer speaks during the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS HEADSHOT) 

CEO of German sporting goods maker Adidas Herbert Hainer speaks during the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS HEADSHOT) 

CEO of German sporting goods maker Adidas Herbert Hainer arrives for the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS HEADSHOT) 

Different shoes by German sporting goods maker Adidas are pictured before the company's annual news conference in the northern Bavarian town of Herzogenaurach March 7, 2012. Adidas, which also owns the Reebok brand, confirmed a forecast for earnings per share to rise by between 10 and 15 percent to around 3.52-3.68 euros in 2012, equivalent to net income of 736-770 million euros. REUTERS/Michaela Rehle (GERMANY - Tags: BUSINESS) 

A Denver Broncos player wears pink cleats in recognition of breast cancer awareness month before competing against the Dallas Cowboys in their NFL football game in Denver October 4, 2009. REUTERS/Rick Wilking (UNITED STATES SPORT FOOTBALL) 

The Reebok Reverse Jam Monopoly shoe is seen on display outside the Hasbro toy companies booth at the 2008 Licensing International Expo in New York, June 10, 2008. REUTERS/Shannon Stapleton (UNITED STATES) 

Herbert Hainer, CEO of Adidas Group, reacts during the annual news conference in Herzogenaurach March 7, 2007. Adidas, the world's second-biggest sport goods maker, said its 2006 sales grew 52 percent, boosted by the soccer World Cup in Germany and the purchase of Reebok in the United States. REUTERS/Michaela Rehle (GERMANY) 

Herbert Hainer, CEO of Adidas Group, addresses the media during the annual news conference in Herzogenaurach March 7, 2007. Adidas, the world's second-biggest sport goods maker, said its 2006 sales grew 52 percent, boosted by the soccer World Cup in Germany and the purchase of Reebok in the United States. REUTERS/Michaela Rehle (GERMANY) 

Herbert Hainer, CEO of Adidas Group, addresses the media during the annual news conference in Herzogenaurach March 7, 2007. Adidas, the world's second-biggest sport goods maker, said its 2006 sales grew 52 percent, boosted by the soccer World Cup in Germany and the purchase of Reebok in the United States. REUTERS/Michaela Rehle (GERMANY) 

Herbert Hainer, CEO of Adidas Group, gestures during the annual news conference in Herzogenaurach March 7, 2007. Adidas, the world's second-biggest sport goods maker, said its 2006 sales grew 52 percent, boosted by the soccer World Cup in Germany and the purchase of Reebok in the United States. REUTERS/Michaela Rehle (GERMANY) 

Herbert Hainer, CEO of Adidas Group, addresses the media during the annual news conference in Herzogenaurach March 7, 2007. Adidas, the world's second-biggest sport goods maker, said its 2006 sales grew 52 percent, boosted by the soccer World Cup in Germany and the purchase of Reebok in the United States. REUTERS/Michaela Rehle (GERMANY) 

Herbert Hainer, CEO of Adidas Group, addresses the media during the annual news conference in Herzogenaurach March 7, 2007. Adidas, the world's second-biggest sport goods maker, said its 2006 sales grew 52 percent, boosted by the soccer World Cup in Germany and the purchase of Reebok in the United States. REUTERS/Michaela Rehle (GERMANY) 

Herbert Hainer, CEO of Adidas Group, poses for the media before the annual news conference in Herzogenaurach March 7, 2007. Adidas, the world's second-biggest sport goods maker, said its 2006 sales grew 52 percent, boosted by the soccer World Cup in Germany and the purchase of Reebok in the United States. REUTERS/Michaela Rehle (GERMANY) 

Herbert Hainer, CEO of Adidas Group, plays with a soccer ball before the annual news conference in Herzogenaurach March 7, 2007. Adidas, the world's second-biggest sport goods maker, said its 2006 sales grew 52 percent, boosted by the soccer World Cup in Germany and the purchase of Reebok in the United States. REUTERS/Michaela Rehle (GERMANY) 

Herbert Hainer, CEO of Adidas Group, plays with a soccer ball before the annual news conference in Herzogenaurach March 7, 2007. Adidas, the world's second-biggest sport goods maker, said its 2006 sales grew 52 percent, boosted by the soccer World Cup in Germany and the purchase of Reebok in the United States. REUTERS/Michaela Rehle (GERMANY) 

Herbert Hainer, chairman and chief executive of Adidas-Salomon, attends a news conference with Paul Fireman, chairman and chief executive of Reebok, at Reebok's world headquarters in Canton, Massachusetts August 9, 2005. [Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets.] 

Paul Fireman (L), chairman and chief executive of of Reebok, and Herbert Hainer, chairman and chief executive of Adidas-Salomon, attends a news conference at Reebok's world headquarters in Canton, Massachusetts August 9, 2005. [Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets.] 

Paul Fireman (L), chairman and chief executive of of Reebok, and Herbert Hainer, chairman and chief executive of Adidas-Salomon, attends a news conference at Reebok's world headquarters in Canton, Massachusetts August 9, 2005. Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets. REUTERS/Brian Snyder BS/KI 

Paul Fireman, Chairman and chief executive of Reebok, answers a question from a reporter at a news conference with Herbert Hainer (not pictured), chairman and chief executive of Adidas-Salomon at Reebok's world headquarters in Canton, Massachusetts August 9, 2005. Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets. REUTERS/Brian Snyder BS/KI 

Herbert Hainer (L), Chairman and CEO of Adidas-Salomon, and Paul Fireman, Chairman and CEO of Reebok, tour Reebok's world headquarters in Canton, Massachusetts August 9, 2005. Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets. REUTERS/Brian Snyder BS/AH 

Hainer, chairman and CEO of Adidas-Salomon, listens to a question during a news conference in Canton, Massachusetts. Herbert Hainer, chairman and chief executive of Adidas-Salomon, listens to a question during a news conference with Paul Fireman, chairman and chief executive of Reebok, (not pictured) at Reebok's world headquarters in Canton, Massachusetts August 9, 2005. Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets. REUTERS/Brian Snyder 

Paul Fireman (L), chairman and chief executive of Reebok, and Herbert Hainer, chairman and chief executive of Adidas-Salomon, looks at a photograph of Boston Red Sox pitcher Curt Schilling during a tour of Reebok's world headquarters in Canton, Massachusetts August 9, 2005. Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets. REUTERS/Brian Snyder BS/KI 

Adidas chief executive Hainer speaks during a news conference with Reebok chief executive Fireman in Canton, Massachusetts. Herbert Hainer, chairman and chief executive of Adidas-Salomon, speaks during a news conference with Paul Fireman, chairman and chief executive of Reebok, (not pictured) at Reebok's world headquarters in Canton, Massachusetts August 9, 2005. Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets. REUTERS/Brian Snyder 

Paul Fireman (L), chairman and chief executive of Reebok, and Herbert Hainer, chairman and chief executive of Adidas-Salomon, tour Reebok's world headquarters in Canton, Massachusetts August 9, 2005. Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets. REUTERS/Brian Snyder BS/FA 

Herbert Hainer, chairman and chief executive of Adidas-Salomon, attends a news conference with Paul Fireman, chairman and chief executive of Reebok, at Reebok's world headquarters in Canton, Massachusetts August 9, 2005. Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets. REUTERS/Brian Snyder BS/FA 

Paul Fireman (L), chairman and chief executive of of Reebok, and Herbert Hainer, chairman and chief executive of Adidas-Salomon, attends a news conference at Reebok's world headquarters in Canton, Massachusetts August 9, 2005. Germany's sporting goods maker Adidas-Salomon has agreed to buy U.S. rival Reebok for $3.8 billion, closing the gap on Nike and promising a profit jump by expanding in the United States and entering new markets. REUTERS/Brian Snyder BS/FA 

A Reebok shoe is displayed in a shop under a giant Adidas logo in Taipei August 4, 2005. Adidas-Salomon plans to buy Reebok for 3.1 billion euros ($3.8 billion), merging the top two customers of Yue Yuen Industrial (Holdings), a unit of Taiwan's Pou Chen Corp. CPROD REUTERS/Jameson Wu TW/TY