If you're looking for an affordable item, check out this American Apparel Knitted Hat. It's a terrific product for a good price. Another strong contender for your wardrobe is this Barts Beanie. While the price of this item is competitive, it will certainly attract a lot of attention. You may also want to look at this Smartwool Hat. This item is not expensive either, but it will make a difference in your wardrobe.
For something in the middle of the price range, you're in luck with this Woolrich Hat in stock and waiting for you. You most certainly will fall in love with this piece. Another wonderful option is this Laura Urbinati Beanie. It's an attractive option both price and quality-wise.
If you have enough to afford it, then you absolutely must check out this Inverni Hat. This product seems costly, but it's well worth it. Why not take a look at this Inverni Beanie too? Expensive, but worth every penny.