Sportswear firm Adidas Group has struck a deal to extend its sponsorship of the Mexican Football Federation until 2018.

Adidas said the Mexican football jersey was its best-selling of the 2010 FIFA World Cup in South Africa, with more than 1m pieces sold.

"The extension of our partnership deal with the Mexican Football Federation confirms our commitment to long-term and successful partnerships," said Herbert Hainer, CEO of adidas Group. "This is a great alliance between a team full of young stars with a bright future and the leading football brand in the world."