I couldn't imagine anyone running with these or even walking with them on their head.
The comments about when the dorm stereos were the equivalent of today's computers and ruled the dorms really jogged some memories.
I even "burned them in" after two weeks of usage for about 4 days non-stop (running frequency sweeps, pink noise, and white noise through them) hoping that the sound would improve, It didn't.
The result is ear sweat and a sticking sensation on the ears which can limit how long you can have them in operation.
I have a Koss porta pro and a Koss sporta pro.
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