FSUZeta, thanks for that advice. I'm attaching the link to my recruitment book e(which has the suggested dress for each night, pg 12 & 13) so you might get a better idea of what's expected.
http://greeks.unc.edu/index.php?opti...=81&Itemid=260
Click the right-hand link that says "Panhellenic Recruitment Book Fall 2010"