If you can’t spend much, consider purchasing this Bandana. It's a great piece for a reasonable price. You might also want to check out this Express Hat. It's a product you're bound to love which also won't break the bank. You might also want to consider this Hat. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking for something in between pricewise, why not look at this Express Cap. While the price is very reasonable, this item is an easy wardrobe update. You might also want to check out this Express Baseball Cap. It's an attractive option both price and quality-wise.