What can you wear to work at Chase Bank?

I know it is black suits with blue shirts. Can the suits have any variation? Pinstripes? Black illusion stripes? Dark navy or dark gray?

Can the blue shirts have vertical stripes(white collar and cuffs)? If I want to wear a pocket sqaure/handkerchief, does it have to be from the Land's End Chase offering only? They only have some Orange kind....

Why don't you call Chase Bank and ask them? They'll know better than any of us do.

In general, though, if the norm is suits, it seems like it's business professional attire. I doubt the color of the suits or the stripes would make a difference, as long as you're dressed professionally.