If your super power involves zipping along at extremely high rates of speed without the benefit of a canopy or windshield, leaving your nipples exposed is a Very Bad Idea::
![815611-rocketracer_large](http://www.heromachine.com/wp-content/uploads/2011/04/815611-rocketracer_large.jpg)
And so the pernicious influence of Joel Schumacher on super-hero costume design claims another victim. Well, two victims, namely the severely wind-chapped nipples of Mr. Rocket Racer. That's probably why he looks so grumpy. Either that, or he really has to pee, and in his enthusiasm over cutting out nipple-holes he forgot to carve out a potty portal.
(Image and character ©Marvel Comics.)