Instead of an invasive, isolating fit, these in-ears use an effective noise-cancelling unit (on a vile grey neckband).
Their rich yet detailed sound's also easy on the ears: shame they look so medical-kit bad.
Philips SHN7500 (noise-cancelling) review
These in-ears use an effective noise-cancelling unit, and have a rich, detailed sound. They don't look great though... Tested at £70.00

What Hi-Fi? Verdict
Noise-cancelling headphones with a rich yet detailed sound that is easy on the ear