If you're a budget-conscious shopper, this Brixton Hat will fit the bill. It's a popular choice, while not very expensive. In this price range, you can also take a look at this Club Monaco Hat. It's also a popular item and won't break the bank.
If you can afford to spend a little more, we recommend checking out this Rag & Bone Knitted Hat. While the price is very reasonable, this piece is an easy wardrobe update.
If you're not the one to skimp on clothes, why not consider this Eugenia Kim Hat - a great luxury choice.