Supes' underwear is a classic part of his costume, and now one fan has an amazing reason as to why.
Finally Explained: Why Superman's Underwear Is On The Outside
Finally, a Theory Tries To Explain Why Superman's Underwear Needs To Be on the Outside
Finally Explained: Why Superman's Underwear Is On The Outside
Finally, a Theory Tries To Explain Why Superman's Underwear Needs To Be on the Outside
Finally, a Theory Tries To Explain Why Superman's Underwear Needs To Be on the Outside
Finally, a Theory Tries To Explain Why Superman's Underwear Needs To Be on the Outside
Finally, a Theory Tries To Explain Why Superman's Underwear Needs To Be on the Outside
Finally Explained: Why Superman's Underwear Is On The Outside
Finally Explained: Why Superman's Underwear Is On The Outside
