Others who are commenting about the 140s plastic cover being too hot, may want to consider this, since they fit perfectly. If you are an eczema sufferer this will be the best ten quid you have ever spent! I purchased the PT centering gauge it it showed that it was out of alignment by several mm. This headband is nice, and a great starter. Having used these headphones everyday in the past three weeks, our experience has been nothing but perfect. I love this stuff for crocs. In this case, the "bang" to the floor didnt allow for that. The Noise Cancellation does work incredibly well; I did encounter a little noise while on the plane and sitting near the large water fountains at the hotel, but it overall it just works. A great for bass lovers but for those who dont like punchy bass, you should not go with these. Pretty good quality, I feel good when I hold the bar, feel like the same as the the one I used in the 24 hrs fitness center.