2k4 is not exclusive to Kobe, but a pair of high-end shoes in 2004. Among all the players who wear him, Kobe is the most famous, so it is generally considered to be Kobe's endorsement, but it is not. That is to say, the heel of 2k4 in the first year didn't have Kobe's number, and the number 8 was added to the recently engraved heel.
Kobe Bryant's endorsement of exclusive sneakers began in zoom kobe 1 in 2006, and at the same time he launched his personal exclusive logo-the Triangle Warrior logo.