If you're not planning on spending much, your best bet is this Asos Cropped Top. It's a popular item, while not very expensive. Another smart option is this Missguided Cropped Top. While the price is not very high, be sure that this piece will become a great addition to your wardrobe. You might also want to consider this Vero Moda Cropped Top. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.