Tsuyosa said:
"flats"...
Have been worn by:
Trampoline, acrobatic, and gymnastic performers... on the Olympic level
LONG before Hipsters were ever on the scene.
So yes, it would make sense that he's wearing that kind of shoe.
As a former gymnast, these really save your feet in floor routines, vault, and trampoline exercises... so to me it makes sense that Spiderman, as one of the most acrobatic superheros, would wear them.
But, if you still feel like they only look like a contemporary female shoe...