---- Rocket J Squirrel <camping.elliott@GMAIL.COM> wrote:
> On Thu, 2011-05-19 at 14:21 -0700, Daniel Rotblatt wrote:
>
> > The only problem with the topper is the room it
> > will take up.
>
>
> Seems like a stout old-school canvas and rubber air mattress of the
> right size (if such can be found, we use the lower bunk for sleeping)
> could provide sleepytime mushiness yet pack down small when deflated.

Stout is the kicker.  Air mattresses still are on offer from camping goods vendors.  They can even be inflated with an air compressor, something some of us carry with us on the road.  Stout they (the mattresses) are not, and they tend to leak after a few uses.

mcneely