From a press release issued by MotoNation:

Sidi renews its commitment to MotoGP!

Sidi boots is proud to announce that it has re-inked its sponsorship deal with the Moto GP tour for the 2005 season. This will be Sidi’s fourth year with MotoGP and the company is looking forward to many more years working with the fine folks at Dorna.

Sidi is especially happy to be a part of MotoGp’s first race in the USA, this summer at Laguna Seca! This arrangement will see Sidi banners placed trackside in prime TV viewing positions helping to further enhance Sidi’s position as the number one sport boot in the marketplace.