If you're in a thrifty mode, your best bet is this Roxy Fanny Pack. It's a terrific item, while not very pricey. Another strong contender for your wardrobe is this Dakine Fanny Pack. While the price of this piece is not very high, it will definitely attract a lot of attention. You might also want to consider this Briggs & Riley Carryall. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking for a happy medium, we recommend opting for this Tumi Backpack. While the price is very reasonable, this piece is an easy wardrobe update.