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By the Numbers: How does Tent Design and Materials Influence Cold-Weather Camping Comfort?
An overview of the complex heat exchange mechanisms between the tent occupant and the outside environment - and how to test tent construction's impact on comfort.
By The Numbers: What’s the Best Base Layer Fabric? Wool vs. Alpaca vs. Polyester
In this paper, I subject base layers in various weights made from merino, merino blends, and alpaca to the suite of tests I have developed to evaluate base layer performance. I then compare the performance of these base layers with those of the polyester base layers I have recently reviewed. We also see if my preconceived notions about merino hold water. Finally, we will see how to choose the fiber for our base layers.
By the Numbers: If You Carry a Space Blanket, Buyer Beware
Stephen Seeber tests the infrared reflective properties of space blankets.