I saw the fabric for a very good price here:
http://fabric4less.com/index.php?mai...966a8db132ef9a
but you have to buy a 15 yard bolt.
I googled scrub fabric and several sites came up, this one looked good.
http://www.jandofabrics.com/products.asp?id=98

I've never ordered from J&O, but have purchased from fabric4less