i like these a lot! the perforations on the insode changes the sound a lot too, in a good way!
The size of 110mm is OK for the Hifiman He-400i headphones . These pads are thicker than the original Hifiman pads and the leather is soft and feels like real leather. But it feels warmer after using for some time, so the air ventilation is not so good. The manufacturer should have made ventilation holes all over the pads. I removed the mounting plastic rings from the original Hifiman pads and inserted them into these new pads, after cutting off the grille cloth from the new pads ( it is not as good as the original grille cloth on the Hifiman mounting plastic rings ).