No more lurking, I was wondering if anyone has cut multiple perforations in a ccf pad? If you laminated a space blanket and then perforated, you may be able to ease the condensation issue, gain a little warmth and lose a little weight. Holes smaller than about 4 mm should not have much convective movement and therefore act as insulation. One trick would be finding the balance of hole density and size so that compression is not increased while raising breathability.