If you're looking for an affordable item, your best bet is this Topshop T-shirt. It's a great product, while not very pricey. Another strong contender for your wardrobe is this Topshop Crew-neck T-shirt. While the price of this product is not too high, it will surely attract a lot of attention.
If you're looking for an item in the middle of the price range, look no further than this Topshop Cropped Top. This item doesn't cost too much, but absolutely deserves a spot in your wardrobe. In this price range, you can also take a look at this Topshop V-Neck Tee. It's an attractive option both price and quality-wise.