Originally Posted by 4fans

The ones provided on the plane are David Clark Greenies with one earpiece. They can be uncomfortable but not terrible. There are three sets on every plane so you have a few choices. I intend to get my own, but I haven't decided on which kind yet. I'm on the 73 and it's pretty noisy. I have see a lot of variety in the headsets the other guy has had so far.

Bottom line is, you don't need to rush into a purchase if you don't know what you want. The included ones will get you by.