If you're in a thrifty mode, your best bet is this Melissa Odabash Cover-up. It's a fantastic piece, while not very expensive. Another strong contender for your wardrobe is this Milly Cover-up. While the price of this product is rather reasonable, it will definitely attract a lot of attention. You may also want to look at this L-Space Cover-up. This item is not expensive either, but it will make a difference in your wardrobe.