If you are on a tight budget, your best bet is this A.L.C. Cropped Top. It's a popular product, while not very expensive. Another good option is this Helmut Lang Cropped Top. While the price is not very high, be sure that this product will become a valuable addition to your wardrobe. You may also want to look at this Splendid Tank. This item is not expensive either, but it will make a difference in your wardrobe.
If you can afford to spend a little more, you're in luck with this Elizabeth and James Tank in stock and waiting for you. You are guaranteed to fall in love with this product. It's also worth considering this Cosabella Tank. This piece is extremely popular and, just as importantly, not very expensive. Alternatively, opting for this 10 Crosby Derek Lam Tank is a wonderful choice as well!