Where would I find this shirt?

I want to find a UC Santa Cruz Banana Slugs T-shirt. Like this one from Pulp Fiction:
http://tfs.cs.tu-berlin.de/~otnemem/dvdcol/comparison/pulp/pulp_fiction_126.50_uk.jpg
I already tried Ebay and the UC website. I can’t really find anything.
Any help?

well the shirt looks a little old, but I found this on the UC website, its kind of like it but different check it out! http://slugstore.ucsc.edu/

THE T-SHIRT COMPETITION!!! + shortsong