Thanks, yeah hoping it was just that I somehow got old stock and all will be good. I will update in a few weeks when I have the new pair.   I guess I also wanted to warn those that may think the cracking is only aesthetic that it may not be the case. I should have taken a picture of the...

Hi everyone, My first post here.   I was given a pair of M4U-2's as a present a while back. I have been loving them ever since, especially on the 2 hours spent on the train where the noise cancelling is a great plus.   Unfortunately, they developed the infamous headband cracking after...