If you're on a thrifty mission, this Factory Cover-up will fit the bill. It's a fail-safe choice, while not very expensive. Another strong contender for your wardrobe is this Nasty Gal Cover-up. While the price of this product is not very high, it will definitely attract a lot of attention. You might also want to consider this Motel Cover-up. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking for a bargain, look no further than this Minimale Animale Cover-up. This item doesn't cost a fortune, but definitely deserves a place in your wardrobe.