With its Guinness and shamrock embroidered logo, and adjustable strap closure in back, this khaki-and-brown hat is both casual and comfortable. Plus, it's got bottle opener affixed to the brim. Now how cool is that! Not only is this hat stylish, it's functional, too! Now you never need to worry that you've forgotten to bring along a bottle opener. What more could you possibly ask for from a hat?

Price: $19.85