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
Vintage 1980s Nike Bruin Running Shoes Marty McFly Back to the Future Red White | eBay
Very Rare 80´s NIKE Bruin Red & White Marty McFly tennis shoes Size 4.5 | eBay
Nike Cortez leather trainers in white with red swoosh Nike Cortez leather trainers in white with red swoosh | Nike cortez, Nike schuhe männer, Turnschuhe nike
Another Marty McFly shoe | Mcfly, Marty mcfly, Shoes