OneOdio Adapter-Free Closed Back Over-Ear DJ Stereo Monitor Headphones, Professional Studio Monitor & Mixing, Telescopic Arms with Scale, Newest 50mm Neodymium Drivers- Glossy Finsh (Grey)
They are pretty comfortable. I don't have a freakishly large head and I can wear these for a couple hours at a time. Then I give my ears a bit of a rest for a few minutes before putting them back on.
[5 of 5 Stars!] 
