Michael Keaton's Batman wears Nike shoes in Batman and Batman Returns, but there are contradictory reasons why that came to be. According to the assistant costume designer on the 1989 Batman film, one of the producers had struck a product deal with Nike and needed them in the movie, and because they didn't fit stylistically with any of the other characters or background actors, they incorporated them into Batman's costume. While the lead costume designer on the 1989 movie remembers Nike gifting it to them without a tie-in:
Come to think of it...maybe its sophistication and useful knowledge is why no one else commented on this after being posted a full day ago...there's nobody to insult here.