I don't have a pair yet, but check out the Panasonic RP-HC55-S. Not too expensive, won't get in the way of glasses, and won't make your ears hot. If you really

I don't have a pair yet, but check out the Panasonic RP-HC55-S. Not too expensive, won't get in the way of glasses, and won't make your ears hot. If you really want serious noise cancellation, you need over the ear ones, and get a nice (expensive) pair. Some say that taking them off periodically to let your ears cool makes it tolerable.