If you're on a thrifty budget, your best bet is this Baseball Cap. It's a terrific item, while not very expensive. Another strong contender for your wardrobe is this Cap. While the price of this item is not too high, it will surely attract a lot of attention.
If you're looking for something in between pricewise, opt for this Baseball Cap. While the price is very reasonable, this item is an easy wardrobe update.