I really appreciate this post. It is refreshing to hear some real unbiased reviews of the wiggy's bags, so thanks for that everyone. On the web it seems like all you get are the polarized people who like to argue instead of just giving their two cents and accepting that other people are different from them and have different experiences, it seems to turn into a pissing match.
I had asked earlier about size comparisons to the military sleep system (MSS) and didn't get a response. I called Wiggy's and spoke directly with Jerry. He told me his system would be lighter, pack smaller, and be warmer. Sounds like an ultimate win so I went ahead and ordered a superlight and overbag in regular/wide. It got to me two days via FedEx.
Here are my observations:
-The wiggy's two bags packed are about 1/3 larger than the two military bags packed (I compressed them both as much as possible without damaging a stuff sack, the Wiggy's maybe even more as I so wanted a different result).
-The two Wiggy's bags together are 7lbs 10oz while the two military bags are 6lbs 6.9oz (this is subtracting the stuff sack weight).
I'll be honest here, at this point I was really discouraged with these numbers. It isn't a huge difference between the two, but it bothered me that so far everything I was told was wrong. I wondered if I had been swindled and what else I could believe. I am a firm believer in hearing the truth no matter how bad it is so I can make my own decisions and deal accordingly. I kept comparing the bags.
-The superlight's loft was 5" while the MSS's two bags combined was a little under 5".
-There is definitely more substance to the wiggy's insulation when you feel them side by side! I keep my MSS bags stored in a large sack to avoid compressing them when not necessary.
I have slept in the MSS with the two bags at 0 and could feel cold seeping through the bag on the top which is the main reason why I wanted the Wiggy's. I slept in the superlight bag alone at 25 degrees F and it was plenty warm. The two bags combined adds a ton of loft and compresses the inner superlight very lightly in a pleasant way around you. Unfortunately it hasn't been cold enough here to try the Superlight to zero or the two combined below zero. I have no clue how cold the two could take me comfortably (I am a cold sleeper), but I have confidence that the Superlight would get me comfortably to at least 15 degrees F, and the two together below zero. I think it could probably get me lower but that is even more speculation. Anyways info is always a good thing, so here is some that hopefully will help somebody.