Listen to SQ7700; did the same, but had it in stock for regular use, wear something that suits you with in guidelines, wear a nice suit, wallstreet like atire, but get a suit that is comfy, you will need the comfy factor.
don't fall out of role too much outside of the interview, walls have eyes and ears, in a figure off speach, the people that do your interview etc will roam the CX City as well.
Pointer
