We have an external “blindfold” that covers the windscreen & side windows. Good for blackout but offers little in the way of insulation. We bought a front set of Just Kampers internal insulated blinds for our recent skiing trip, they worked very well & we were impressed. We have a set of home made insulation for the poptop, rear side windows & tailgate. They are the mk1 version & cost us about £40 to make. We also have a Reimo Climacover that goes on the outside of the poptop for extreme weather.
This lot offers flexibility & allows us to adapt to the weather. If we’re in stealth mode, we just put the internal blinds in & leave the roof down. We’ve bedded down in some interesting places in stealth mode