I do not have a large head, nor an obscure shaped one.  What I can tell you is that they are by far the best sounding headphone you will get at $99.   They are genre plastic, and do well with many types of genres.   They can be sibilant under poorly recorded / low quality music files using Asian DACs/DAPs.  Under DAPs such as the Zune HD, and the Nokia 808, sibilance is not as common.  This is only a minor gripe, as they have never been sibilant to the point where they fatigue. Comfort can be a mixed bag for some, my only issue with comfort...