If you're looking for an affordable item, your best bet is these Maison Margiela Ankle Boots. It's a fantastic product, while not very expensive. In this price range, you can also look at these SPM Booties. It's also a popular item and won't break the bank. You might also want to consider these Bullboxer Booties. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're not a thrifty type, then you absolutely must check out these Marsèll Ankle Boots. This item seems expensive, but it's worth it. While you're at it, also have a look at these Lemaire Booties. Yes, this item is expensive, but it does not mean it's not worth it. Why not also consider these Guidi Ankle Boots. You won't regret the money spent!