Bottle Opener Hats - Miller Lite Bottle Opener Hat. This Officially Licensed Miller Lite Bottle Opener Hat is the perfect way to always have a bottle opener on hand. This unique Miller Lite hat features a built in brim mounted opener that is solid and secure. This patina finished bottle opener features the Miller Lite and is fastened on a beautiful Navy Blue& Khaki hat with Official Miller Lite insignia. This hat is fully adjustable and features an adjustment band in the the back to adjust the hat to the perfect size for you.