In reply to purplemonkeyelephant:
> Just read on Exped's website: "Store your mat unrolled and with open valves in a dry, cool and dark place such as under your bed or the attic".
> Does anyone actually do this? A gear reviewer suggested this is to prevent packing out the insulation, but I thought the whole point was that inflating it expands the insulation. Or is it to air the moisture out? Now worried I have been abusing my poor mat!
I do it with my Exped downmat, and others. Sometimes thy are lightly rolled, partially inflated.