...for going to see Eephus.
Best because it's a vintage-looking baseball hat, so a e s t h e t i c a l l y it fits in.
Worst because it's a Yankees hat, and the film takes place in Massachusetts, so I'mma bet most of the characters would hate the Bronx Bombers.
(Third opinion: Wearing any brimmed hat in a movie theater is the worst, because you could be blocking the view for the person behind you.)