Aha, Merman is the preferred term. Specifically an eel merman, but that is beside the point.

[But Jade won't hang onto the subject either, because he has confirmation and info that may or may not be useful in the future. But he gets up, downing the rest of his espresso quickly.

It won't hit him for a while, but Jade's invigorated already. It's not been a boring visit. He heads over to the bags and fishes around in them, pulling out a bright yellow and blue number that looks like it might fit.]

I do not know if anti-water is the right word, but it should keep most of it off. And I have a few other sizes and styles as well.