If you're on a thrifty mission, look at this Brixton Hat. It's a terrific product for a good price. You can also check out this Ted Baker Hat. It's a product you'll fall in love with which also doesn't cost the earth. You might also want to consider this Dorfman Pacific Hat. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
For something in the middle of the price range, opt for this Tommy Bahama Hat. While the price is very reasonable, this product is an easy wardrobe update. It's also worth looking at this Scala Hat. This piece is ultra popular and, just as importantly, not very expensive. And do check out this Canada Goose Beanie! It's a very popular item and good value for money.