If you are on a tight budget, this Kate Spade Bandana will fit the bill. It's a fail-safe choice, while not very pricey. Another nice option is this Kate Spade Beanie. While the price is competitive, be sure that this item will become a worthy addition to your wardrobe.
If you're after a bargain, consider purchasing this Kate Spade Hat. While the price is very reasonable, this piece is an easy wardrobe update.
If you can afford it, then you absolutely must check out this Kate Spade Cap. This piece seems expensive, but it's top quality.