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Spirafil 120 Synthetic insulation
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Home › Forums › Gear Forums › Make Your Own Gear › Spirafil 120 Synthetic insulation
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Jun 4, 2011 at 7:50 am #1274897
I tried this in the gear forum last night, but I think it might be better here…
I converted a Marmot 15 F Trestles sleeping bag into a quilt the other day and now I have enough left over insulation to make something with. I am trying to figure out what this insulation would be comparable to. The thickness is about 3/8". Any ideas on how warm it is. Or how many layers I would need to layer together to make:
Over mittens good to -20F
A jacket for my dog to day hike in the winter down to about 0 F
OR a vest like the thru-hiker minima to wear in the summer at night, or as a mid layer or on winter trips
Thanks
Jun 4, 2011 at 10:05 am #1744834I have a 5/8 inch vest I wear with base layer and eVent jacket, warm down to maybe 40F, a little cool at freezing, I think I need a little less insulation than the average person.
So – 3/8 inch – maybe 50 F, two layers – maybe 30 F
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