Hi
Unfortunately it’s a bit too soon to tell as they are still very new headphones
Judging from the way they look and the way the headband extends it would seem that they would need dismantling a bit unless Sony has built in a release clip where the headband meets the headphones them selfs
But that’s only what I’m thinking ,iv repaired many headphones and most of them don’t come apart easily
Hopefully this helps
Any questions please ask
Thanks:-)