 Chelsea 's kit has been manufactured by Adidas since 2006 , which is contracted to supply the club 's kit from 2006 to 2018 . The partnership was extended in October 2010 in a deal worth £ 160 million over eight years . This deal was again extended in June 2013 in a deal worth £ 300 million over another ten years . Previously , the kit was manufactured by Umbro ( 1975 – 81 ) , Le Coq Sportif ( 1981 – 86 ) , The Chelsea Collection ( 1986 – 87 ) and Umbro again ( 1987 – 2006 ) . 
