If you're in a thrifty mode, why not take a look at this Portolano Beanie Hat. It's a popular item for a good price. In this price range, you can also look at this Beanie. It's a product you'll fall in love with which also doesn't cost too much. You might also want to consider this UGG Beanie. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
For something in the middle of the price range, consider choosing this Jennifer Behr Knitted Hat. While the price is very reasonable, this item is an easy wardrobe update. You might also be interested in this Burberry Hat. It's an attractive option both price and quality-wise. Check out this Rag & Bone Hat too! Great value for your money.
If you're in a Treat Yo' Self mood, then what you're looking for is this Inverni Knitted Hat. It's more expensive but worth your money.