If you are on a tight budget, this Sensi Hat will fit the bill. It's a foolproof choice, while not very pricey.
If you're looking for something in between pricewise, why not look at this Sensi Hat. While the price is very reasonable, this piece is an easy wardrobe update. Why not also consider this Eugenia Kim Hat. It's an attractive option both price and quality-wise. Check out this Rag and Bone Hat too! Great value for your money.
If you're on a hunt for a luxury item, then you won't be disappointed if you check out this Maison Michel Hat. It's an expensive but smart option.