If you're looking for a thrifty option, this Brian Atwood Crossbody Bag will fit the bill. It's a great choice, while not very pricey. Also take a look at this Crossbody Bag. It's a product you'll fall in love with which also doesn't cost the earth. You might also want to consider this Mary Frances Crossbody. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.