While the exact details surrounding the Heat's partnership with UKG we don't know, we do know that jersey sponsorships are quite profitable for NBA teams. According to a Front Office Sports report ...

A Miami Heat jersey worn by LeBron James in Game 2 of the 2013 NBA Finals sold for $1,016,000 on Sotheby's auction house. The jersey was sold at the sixth-highest price of all time, per Sotheby's.