Sennheiser HD 569: Sennheiser's Best Kept Secret?

I like they way my 598Cs sound with movies and games, but they like literally disintegrated. Parts of the cups, the headband, and the pads had this felt-like material that you can literally rub off. If you don’t, then this material will come off of its own accord, pepering your hair and clothes with this black sticky stuff. Yucky