Chester's a hard worker. Hard work comes from lots of sweat and lots of sweat leads to a need for a bath. But it's only been four or fives days since his last one. He can go another couples days without one, right?

Art by https://www.weasyl.com/~cadmiumtea

Cadmium had some artistic freedom with this, so his coloring and clothing choice aren't official. Consider them his backup clothes.