Pokémon - Image #773,804

"Oh, artiiiiists~! I'm ready for the rule thirty-foooouuuur~!"

I'm guessing it's so that there isn't water going into the pants, so it's like bikini-fied fisherman pants.

Although, really, just a bikini would probably be more practical. Yeah, practicality. That's it. Practicality.( ͡° ͜ʖ ͡°)