Date an Eevee!

[Arrow-Jolteon]

See, that would be way more fitting to have an Eevee dating another Eevee than having a human dating an Eevee. It's actually less weird that way.

Maybe that's what they're gonna do? give you your own Pokemon costume to wear? That way it can be two Pokes dating. It doesn't necessarily have to be an Eevee costume either. The winner could dress as Pikachu or Mimikyu or Lucario or whatever.

Mobility usually isn't too much of an issue as long as you're not expecting to do gymnastics and parkour with it on (although that would be funny in itself). The real other issue besides heat is visibility.

When I said mobility, I meant things like grabbing stuff and fitting into certain spaces (because the costume is huge), not gymnastics or walking. But yeah, I forgot to mention visibility.