To consider the manufacturer but would use a different material for resting on the ears headphones Pages: The thin foam used for this is a part of sound waves no impairment represents and also causes a comfortable fit, but is not very robust and shows the passage of time traces of wear. This resulted in the predecessor model used by me (same model) to that of the foam during the use time was getting thinner and eventually tear. But since I could not get any appropriate replacement covers for these headphones in retail warehouses, he was still completely intact despite transmission technology no longer be used - consequence of necessary buying a new headset! Too bad!