Comfort-wise theyre a decent step up from the m50xs earpads, also a rather decent step up sound isolation wise too, but how they effect the sound is a completely different story. Debris doesnt get in to easy but is harder to get out. You simply slip the sandals on and go! They are not as advertised. On the positive, they do have a two year limited warranty, so that does give me peace of mind. A 3 fit her well. Camera video is stable. attractive looking stylish,very comfortable ,good for walking on sand at the beach! The size it a bit snug but but they still feel good on my feet. Also the right side, looking at it attached to the wall, the vertical piece is crooked, off by 1/8".