If you're after a thrifty option, your best bet is this Opening Ceremony Beanie Hat. It's a great product, while not very costly. Another nice option is this Plush Hat. While the price is competitive, be sure that this product will become a great addition to your wardrobe. You may also want to look at this Kenzo Beanie. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for a bargain, look no further than this White + Warren Hat. This item doesn't cost a fortune, but absolutely deserves a spot in your wardrobe. It's also worth taking a look at this Jocelyn Knitted Hat. This piece is extremely popular and, just as importantly, not very expensive. Consider this Beanie too! Great value for your money.