This Dark Knight reportedly rides around Chiba, Japan, fairly often and always in full Batman regalia. Presumably he's out fighting injustice, but we kind of also like the idea that he's just running errands like this, too.
Regardless of why he's doing it, we have to praise Batman's concentration. He's in broad daylight in full costume but doesn't break focus in this video even for a moment. Though, you would think the Caped Crusader would try to be stealthier.