I bought this for my yearly home trip cross pacific ocean.Unlike those pricey noise-cancelling earphone, this just reduce the outside noise by blocking.It's a much better choice for audiophile on plane since you don't have to suffer from the audio distortion from noise-cancelling.All you need is a nice in-ear phone and put the muff on.You can enjoy the music with least distortion and distraction.Also you don't have to boost the volume up, so you are actually protecting you ear which noise-cancelling cannot do the same.Most importantly, it cut off those unpleasant noise as well.In my west-coast to east coast flight, it save me from screaming baby and impatient mother.Thanks for this muff, I'm the only one can still be myself in the whole plane~~It's a little bit hot after wearing them for hours, but it's nothing compare to the tranquil it brings you all the way.