If you're looking for an affordable item, this Mikoh Cover-up will fit the bill. It's a popular choice, while not very pricey. You can also look at this Nordstrom Cover-up. It's an item you're bound to love which also doesn't cost the earth. You might also want to consider this Becca Cover-up. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
For something in the middle of the price range, look no further than this Tory Burch Cover-up. This item doesn't cost a fortune, but absolutely indispensable in your wardrobe. It's also worth looking at this Letarte Cover-up. This product is extremely popular and, just as importantly, not very expensive. And do check out this Amir Slama Cover-up! It's a very popular item and good value for money.