Well it's a fighting game with tournaments, I think it's common for people to wear stupid shit and show up in rave pants everytime a tournament is held. They are good men. EDIT: Welp, to elaborate on what Jackson said, yeah it was given to him in the Smash Bros Invitational Tournament that was hosted by Nintendo as a means to show that they're actually approving the competitive scene in Smash Bros. It's also the tourmanent in which you see Reggie telling pro gamers that he will KICK their ASS. DOUBLE EDIT: