I had the old cloth covers and took my headset to a DC booth at OSH a
few years ago to inquire about the new cloth covers.
The DC rep looked at my covers and asked,
"Have you ever thought about washing them?"
When I got home... I did.

Mike O'Malley wrote:
(BTW- a set of cloth ear seal covers do WONDERS for comfort; earmuffs on
cold days, and they wisk the sweat away on hot ones)