After talking to a friend and your feedback about noise cancellation I decided to go with "Beyerdynamic DT770 M", which is a special model of the DT770 focusing on passive noise isolation. and with 150€ still affordable.   Will take a couple of days till I can test it and can tell you and...

Thanks. I forgot to mention that I have to put them off and on quite often, so I would prefer something which isn't in-ear.

Hey there!   As the thread title implies I am looking for a recommendation for noise cancellation Headphones.   Now the Circumstances are the following: I am working in an open office with a lot of people. Problem is: I am a extremely sensitive to significant background noises. I couldn't...