"Excellent sound, excellent noise cancellation."5.0 starson by Tansens
Pros: Noise cancellation is very effective for libraries, airplane rides, even coffee shops.
Sound quality is very good.
Around the ear fit is the most comfortable I've tried, with no pressure put on your ear. You can wear glasses under them.
Cons: The price can be a bit steep, but they will last you for years if you take care of them.
They do not work unless powered on, and while battery life lasts 35 hours or so, this can be a minor inconvenience. Just carry an extra AAA battery.
Summary: For the price these headphones are very good.