A superhero needs a bath to and what does Batman wear when he leaves the shower?
Yes a Batman bath robe like this one.
This bath robe is black with some yellow accents and a Batman logo on the front and a BIG Batman logo on the back.
You can get this bath robe in two versions one made out of cotto or one made out of fleece so what ever you prefer you can wear what Batman wears.
And if you want to be like Batman then you have to at least have a look at this Batman Bath Robe.