If you don’t want to splurge, you'll appreciate this PDS Online Hat. It's a great choice and a good investment. Also consider this Selini Hat. It's a product you're bound to love which also doesn't cost too much.
If you're looking for something in between pricewise, look no further than this Ultrafino Panama Hat Hat. This item doesn't cost a fortune, but absolutely invaluable in your wardrobe.