I tried a few search engines for you (Alta Vista and Yahoo) and spent a while trying to find anything that might remotely resemble what you are looking for, but to no avail
Are you
sure you can't get hold of one in Sweden? There must be some store that sells such hats. If you really can't find anything, I'd be prepared to have another (more thorough) look. A picture of the hat you seek would be really helpful though.