Reaves talked about the business move on Thursday ... saying,"If you would have told me I'd have had a signature shoe at 18, I'd have looked at you and called you a liar."
"Honestly, I'm blessed to play basketball for a living and I just have to pinch myself sometimes to really understand what's going on."Reaves blew up this past season ... becoming an important piece on the Lakers roster, averaging 21 points a game in the Western Conference Finals against the Denver Nuggets.
The Arkansas native's shoe deal isn't the only major source of income -- he's expected to be a big target in free agency, with teams prepping to offer him more than $50 million over four years.