Welcome Scott,

Ayce you mention PolarGuard 3D being better for larger areas because it's a continuous filament type insulation. How hard is it to replace in a sleeping bag that had 3D orginally but lost loft?

Also, I understand the premise of saving body heat by using the 2 person PITA Scott is describing. The weight trade off can be offset by the other partner carrying an equivelent amount of gear half the weight of the Pita IMO.
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PEPPER SPRAY AIN'T BRAINS IN A CAN!