Mizuno is the official supplier of the umpire uniforms for International Softball Federation (ISF) world championships and the softball competition at the Olympic Games.

In January of 2005, ISF President Don Porter and Masato Mizuno, the President of Mizuno Sports, signed a new official supplier agreement at the Sporting Goods Manufacturers Association’s (SGMA) Super Show in Orlando, Florida (USA), which included – among other provisions – the umpire uniform component.

In the photo below, Mr. Mizuno throws out the ceremonial first pitch before a game between USA and Chinese Taipei at the 2004 Olympic Softball competition in Athens, Greece.  (Photo by Franco Bagattini)