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6
votes
2answers
65 views

Do “R” Values Add proportionally

For winter camping it is recommended to use a sleeping pad with an R value greater than 5. Can you alternatively use two closed cell 2.5R pads one on top of each other? If using an inflatable pad ...
2
votes
1answer
182 views

Sleeping pad inside or outside bivy bag?

I have recently started trying out the backpackinglight.com mantra of a tarp and a water resistant breathable top bivy bag with a waterproof bathtub bottom (basically a shrunk inner tent). Assuming ...
5
votes
2answers
152 views

What is the main purpose of the foam inside a self-inflating mat?

All self-inflating mats I have seen are self-inflating in the sense that you’re supposed to inflate them yourself. [That is, the mat self-inflates a bit, but mostly you have to breathe the air in.] ...