The latex suit and shoes are completely impractical; there's no way in hell she could run around and fight crime in this skin tight latex outfit with 3 foot tall heels. But damn, this cosplayer looks good as Batgirl standing against a wall, that's all I think she's able to do... stand against the wall. Way to go!
Source: Fashionably Geek (http://fashionablygeek.com/costumes/batgirl-in-latex-cosplay/)