The Israeli military uses these: http://en.wikipedia.org/wiki/Mitznefet_(Israeli_military) http://en.wikipedia.org/wiki/Mitznefet_(Israeli_military) They're bi

The Israeli military uses these: http://en.wikipedia.org/wiki/Mitznefet_(Israeli_military) http://en.wikipedia.org/wiki/Mitznefet_(Israeli_military) They're big floppy hats that go on top of the helmet to prevent the classic helmet silhouette look. Works better because human bodies aren't quite as distinctive as TF2 classes :)