Definitely needed for ultimate comfort! I have a big head and larger ears and the standard headphone pads are ok, but these gel pads are absolutely amazing!
Have use these for years on my David Clark headsets. My only problem is that I am finding it difficult to get them on. I bought two sets and I still trying to get the last one on the headset.
Awesome upgrade to the PCI Prerunner headsets! Very comfortable and light weight! Highly recommended!