big agnes mummy style mattresses
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May 21, 2005 at 11:49 am #1337426Richard SullivanBPL Member
@richard-sLocale: Supernatural BC
Thanks Richard, yes I did figure that out I think! Big Agnes should install a layer of metallized mylar film within the IAC mattress. My assessment of the mattress is that the PL2 layer is probably only 1.8 oz/sqyd, very thin indeed and probably not blocking all the radiant heat loss. Doesn’t it seem that a reflective layer could provide significant benefit at very little extra weight?
And I bet Olivia can outsing Agnes :)May 29, 2005 at 3:13 am #1337671Jim EllsMember
As I promised to do, I have now used my ‘frame sheet’, about an 18″x20″ piece of Ridge rest mattress for an additional torso insulator between my back and the IAC in the sleeve of my Mica bag. I have slept well and not gotten the early morning chill in my back. Another case of “multiple use” in an item. So, I’ll just slip it in on cooler nights when necessary.
Jim EllsJun 1, 2005 at 7:52 am #1337757Brian GriffithSpectator
I’ve also been following this since I’m looking for the warmest possible pad for my wife who is definitely a cold sleeper.
Very interesting, but I didn’t understand this statement:
‘When you lay directly on reflective Mylar there isn’t a sufficient air gap to reflect the long-wave IR.’
BJul 16, 2005 at 6:48 pm #1339148AnonymousGuest
From a cold sleeping, comfort seeking woman’s point of view, there are two issues here. One is comfort and support, which is beautifully handled by the Big Agnes (the most comfortable air mattress on which I have slept) and insulation from cold, which the Thermarest Prolite3-Womens mattress provides. The combination is unbeatable, but not for lightweight backpacking. Your wife needs to determine whether she values comfort over cold.
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