I bought them to wear with my swimsuit cover and now they are my slipons for everything. My favourite thing is that the plastic of the headphones themselves don?t make a lot of racket because they don?t fold. Anne Marie Everytime you screw it in you permanently mark the metal, and there is no padding or anything between the screws and the main unit, it is literally metal screws holding on to the metal structure - which I am fine with, but you may not be. Really want to like them, and they really have great sound, but the fit & finish is just no good for smaller ears. This meant I was unsure about using stairs. They are comfy enough. I charged it once when I got it and after 5 days it goes on. I have a fairly wide forefoot, but narrow heel and thin ankles. Awesome book or as we use it LEGO shelf!