If you don't mind having to get an inner ear mold made and spending ~$700 the Sensaphonics 2X-S are awesome. Since they are molded to your inner ear they block

If you don't mind having to get an inner ear mold made and spending ~$700 the Sensaphonics 2X-S are awesome. Since they are molded to your inner ear they block out near 100% of sound without using audio noise reduction. The sound quality is pretty top notch as well, their usual purpose is as in ear monitors for musicians on stage. http://www.sensaphonics.com/?p=328 http://www.sensaphonics.com/?p=328