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Spectra/Dyneema (UHMWPE) fibers are the strongest fibers available for weaving fabrics, but the puncture resistance of a woven fabric depends heavily on the weave. The major puncture risks for rafts or inflatable sleeping pads are needle-like (thorns, pine needles, wood splinters, etc.). Sharp-edged rocks could not easily puncture a raft or sleeping pad ...

Let's look at the physics behind where all the condensation came from. At night the air gets colder, but the ground has a lot of "thermal mass", so stays much closer to the average day/night temperature. This means at night the moisture from the ground will be entering the air at the ground, but that air will cool as it rises. That increases the water ...

I don't get condensation under my tarp, not in general, even after several hours in a heavy downpour. I don't pitch it over vegetation, in general. I did have condensation one time when I had it pitched close to the ground, just enough for me to lay under, and it rained heavy all night, perhaps 1-1/2 inches or more. If the rain's coming straight down, I ...