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by j-a-a-p 1019 days ago
Did some camping (with only sleeping bag) at -40C, works great. The original plan was to build an iglo, but we learned too late that snow does not stick below a certain temperature.

Luckily we had a snow storm, so soon after tugging in we were covered by an arms length of warm and insulating snow (I remember being worried to not being able of to keep my breathing tunnel operational).