If you're budget-restricted, this Bandana will fit the bill. It's a popular choice, while not very pricey. In this price range, you can also take a look at this Express Hat. It's also a popular item and won't break the bank. Or you can choose this Hat - be sure you'll be making a stylish addition to your wardrobe.
For something in the middle of the price range, look no further than this Express Cap. This item won't break the bank, but definitely deserves a place in your wardrobe.