Chelsea will wear Nike kits from next season after announcing the end of their deal with Adidas on Thursday.
The London club have been wearing Adidas kits since 2006, but have signed a reported £60m-a-year deal with Nike.
"Chelsea Football Club today announces a new technical partnership with Nike, which represents the largest commercial deal in the club’s history," the club wrote on their official website.
"The long-term agreement will see Nike, the world’s leading sports footwear and apparel company, become the official kit supplier beginning with the 2017/18 season. Nike will produce strips for the first team, Academy and Ladies teams, as well as a full range of clothing for Chelsea’s millions of supporters around the world."
Chelsea director Marina Granovskaia said: "This is an incredibly exciting and important deal for the club.
"Like Chelsea, Nike is known around the world for its excellence and innovation and we look forward to working together in what is sure to be a successful partnership. We believe Nike will be able to support our growth into new markets as well as helping us maintain our place among the world’s elite football clubs."
Trevor Edwards, President of the Nike Brand, said: "Chelsea is a world-class club with a rich tradition and passionate fans across the globe.
"The partnership with Chelsea reinforces our leadership position in football. We are excited to help grow the club’s global reach, serving players and supporters with Nike innovation and design."
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