Flat Caps from 6pm.com
If you are on a limited budget, you'll appreciate this Obey Flat Cap. It's a foolproof choice and a good investment. Another strong contender for your wardrobe is this Michael Stars Fisherman Cap. While the price of this product is not too high, it will definitely attract a lot of attention. You might also want to consider this Lauren Ralph Lauren Fisherman Cap. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you can afford to spend a little more, look no further than this Hat Attack Driver Cap. This item doesn't cost the earth, but absolutely invaluable in your wardrobe.