I am not very experienced with high end headphones but the second I put these headphones on my head, I wanted them. They are made of the best materials, smooth leather ear pads, aluminium cups, stainless steel sliders and leather upon the top of the headband too. The leather used is supposedly lamb leather. There is plenty of treble and ear-booming bass. I think the aluminium ear cups help aid the sound as if you put your finger on them, they vibrate boldly with the driver and makes a feel which you just can't get with plastic. They offer great...