Okay forgive me if this has already been asked, and it probably has.

If I get a double layer WBBB, is it possible to use a Exped synthetic or down mat as insulation between layers?

I understand the compression issue, but will an insulated, inflated pad be compressed in this particular application?

I also assume there is a good reason why most people seem to just use an UQ.

I'm just trying to stay on budget here with as much multi-purpose gear as possible.

Any advise, comments are welcome.

Thanks guys.