Superman doesn't sweat. It's something I recently found out. It doesn't make sense to me, but I guess that when you're pretty much invulnerable and you shoot laser beams from your eyes, it's no surprise that he doesn't overheat. For us mere mortals, we need to deal with the everyday occurrence of being susceptible to extreme temperatures.

Ergodyne has announced hi-vis additions to its N-Ferno® Line of warming gear.