If anyone is looking for pads I can happily recommend the th900 Fenestrated Sheepskin pads from Dekoni. Unlike the hm5 lambskin they barely alter the sound signature (imho hm5 lambskins make the headphone sound muddy and shrill) however the Dekoni isolate less and leak more noise but they retain the clarity and impact of the stock pads with much better comfort
-also the Attenuation ring is not needed.