If you'd rather not spend much, your best bet is this Topshop Beanie Hat. It's a wonderful product, while not very pricey. Another nice option is this Knitted Hat. While the price is not too high, be sure that this item will become a worthy addition to your wardrobe. You might also want to consider this The North Face Beanie. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.