Good report! I am surprised that you made it to 35*, to at least 5am without major chilling, with only 1" of loft. Or, as you said, probably OK to 38*, at least under calm, dry conditions. My friend's new 1.5" loft PeaPod is only rated to 55*. This speaks highly of CSXP, and may add info to answer the question of whether loft and warmth are directly comparable between synthetic and down.
Last edited by BillyBob58; 11-26-2007 at 13:38..