Koss KC25

These have amazing bass, with really good sound isolation. The other sound that's coming from the headphones themselves is crisp. I REALLY like these headphones, and these were on sale for really cheap

The cups could be a little bit bigger, unless my ears are larger than most peoples (I haven't ever realized this, but to be honest what do I know?) ; The light glossy plastic makes it feel kind of cheaply built, and the cord is really short and wiry...

They're cheap

Very uncomfortable. The ear cups are so shallow, these might as well be on-ear headphones, and they don't cant at all to adjust to the shape of your head ; The sound quality is pretty muddy, and they generally just have the quality of a set of cheap...