Speaking from personal experience, these headphones are a thrill to own. Reveal frequencies and sounds in your music that you haven't heard before with the high quality speakers found in these Bose headphones, all while remaining functional and sporty.
Sweat resistant (to work while you work)
Fitness Armband (to make your music source easier to operate)
"Stay Hear" ear tips (to keep the earphones in during intense movement)
The Bose IE2 headphones keep the (high quality) beat bumping no matter how much you are sweating.