Amazon.com has an Etymotic Research ER6i Isolator Earphones for $87.49 with Free Shipping.
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- Includes 5 ft. cord with 3.5 mm stereo plug / 1 pair eartips / 1 pair foam eartips / 2 replacement filters / Filter changing tool / Shirt clip / Zippered pouch n
- Includes shirt clip and zippered storage pouch n
- Use with MP3, CD, DVD players and personal computers n
- Lightweight, compact, fits in your pocket; no battery required n
- Highest noise isolation (15 to 35dB)