I don't know if it was in purpose but I'm planning a Steve cosplay figured out that he's probably wearing Nike Bruins, further research showed that this is the same shoe Marty
Making Custom Nike Bruins from "Back to the Future" – Reshoevn8r
Making Custom Nike Bruins from "Back to the Future" – Reshoevn8r
Nike Bruin - USA Size 11.5 - Brand New - Marty McFly - Back to the Future | eBay