If you're after a thrifty option, your best bet is this Rebecca Minkoff Beanie Hat. It's a fantastic product, while not very costly. In this price range, you can also check out this Hat. It's a product you'll fall in love with which also won't break the bank. You might also want to consider this Celtek Knitted Hat. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you have enough to afford it, consider buying this Rick Owens Beanie Hat - a great luxury choice. While you're at it, also have a look at this Beanie Hat. Yes, this item is expensive, but it does not mean it's not worth it. And one more item you might be interested in is this Givenchy Beanie. 'Cause you deserve nothing but all the finer things!