Business attire. You are applying to be a banker so dress the part.
Nice ,clean suit
Both parties must be in sequential attire : one must wear formal clothing as if to meet some other who would accept a position of authority , responsibility to illustrate the seriousness of accepting such a position and whose personality mirrors his intent in achieving high expectations of responsibility : the one who would challenge the other in the form of validity, integrity, honesty, loyalty and seriousness with several attributes in mind for negotiation so that both parties have agreed and accepted financial bartering system with the position in questions , a position of high calibre is worthy of such visible approach
Suit according to weather
I'll dress competitive as a manager.
Business outfit versus business casual
Clean professional clothing, pressed and neat attire with good shoes.
Dress appropriate bring your positive attitude and just be yourself you are not going to an Army battle
Neat and conservative