[discussion] wearing Puma and Adidas together shouldn't count as brand mixing because the founders of each company are brothers.
Is it OK to wear two different brands?
So the next time you're contemplating your #GymFit, just remember that it all comes down this: While it may feel strange for the Type As of the world (and/or anyone who's been subject to decades of targeted branding), it's totally fine to mix swooshes and stripes and whatever other logo you desire.
Can Adidas and Nike be worn together?
Wearing Nike and Adidas together makes a man appear indecisive. The two brands are currently at their most competitive right now—but your outfits shouldn't be competing with itself. ... A case in point: Put an all-over-print pair of Champion sweatpants with a small Nike Swoosh logo baseball hat.