If you are on a limited budget, your best bet is this Kenzo Hat. It's a wonderful item, while not very expensive. Another strong contender for your wardrobe is this Kenzo Hat. While the price of this product is not very high, it will definitely attract a lot of attention.
For something in the middle of the price range, look no further than this Kenzo Knitted Hat. This item doesn't cost the earth, but definitely deserves a place in your wardrobe.