Association Football:

     bayern munich

One of the main focuses of Adidas has always been football kit and the associated equipment. Adidas remains a major company in the supply of team kits for international association football teams and clubs, including Bayern Munich, Real Madrid, Chelsea, Manchester United (starting in 2015-16) and A.C. Milan.

Adidas makes referee kits that are used in international competition and by many countries and leagues in the world. The company has been an innovator in the area of footwear for the sport, with notable examples including the 1979 release of the Copa Mundial moulded boot used for matches on firm dry pitches. It holds the accolade of the best selling boot of all time. The soft-ground equivalent was named World Cup and it 

FIFA, the world governing body of football, commissioned specially designed footballs for use in its own World Cup tournaments to favour more attacking play. The balls supplied for the 2006 World Cup, the Teamgeist, were particular noteworthy for their ability to travel further than previous types when struck, leading to longer range goals. Goalkeepers were generally believed to be less comfortable with the design of the ball, claiming it was prone to move significantly

Adidas also introduced another new ball for the 2010 World Cup. The Jabulani ball was designed and developed by Loughborough University in conjunction with Chelsea. It received much criticism from players, managers and pundits for being too hard to control. The lighter and more aerodynamic ball led to many shots and passes being over
Adidas has numerous major kit deals with clubs worldwide, including Bayern Munich, Real Madrid, Chelsea, A.C. Milan, Ajax, Feyenoord, Benfica, Lyon, Marseille, River Plate, Fluminense, Palmeiras and Flamengo. National teams sponsored include Germany, Spain, Russia, Japan, Colombia, Argentina, Mexico, Nigeria, Denmark, Wales, Paraguay, and Sweden.
Adidas has endorsed many players, including Lionel Messi, Kaká, Zinedine Zidane, David Beckham, Luis Suárez, Arjen Robben, Xavi, Gareth Bale, Robin van Persie, Karim Benzema, Thomas Müller and James Rodríguez.^[24][25][26]
Adidas is one of the official sponsors of the UEFA Champions League, and the Adidas Finale is the competition's official match ball As well as the aforementioned Adidas Predator boot, Adidas also manufacture the adiPure range of football boots. Adidas also provides clothing and equipment for all teams in Major League Soccer.

In April 2013, Adidas and Opta Sports announced the introduction of a new football player type - the Engine The Engine’ is the archetypical box-to-box footballer who covers every blade of grass, seeks goal scoring chances, tracks down his opponent and displays relentless energy from the first minute to the final whistle.
In July 2014, Adidas and Manchester United agreed a world record $1.29 billion kit deal over 10 years, starting from the 2015/2016 Premier League season. This is currently the most valuable kit deal in sports history, and replaced rival Nike as the club's equipment partner