It's harder to wear all of my Pi Phi stuff now that I'm an alum. But, I do wear my flip flops pretty often, and I leave my Bid Day fleece at my school locker to wear when I'm cold. Oh, and how could i forget? Everyday I use my name/letters messenger bag. We're not supposed to wear badges (at least from what I've observed) for clinic, and I don't dress up unless I'm doing therapy.
But, I have Pi Phi pictures all over my study carrel, so I'm sure there is NO doubt to anyone in the department what sorority I belong to.