The Thermal Insulation of Caribou Pelts

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Abstract
The thermal insulation of samples of three caribou pelts, six other pelts, and one pile fabric was measured in still air and in winds up to about 26 mph. In still air the values, including ambient air layer, ranged from 2.0 clos for the pile fabric to 5.4 clos for the winter caribou. In a 25-mph wind the insulation afforded by most of the samples dropped to about 50% of the still-air value; notable exceptions were winter caribou, which dropped to only 58%, and winter deer, which dropped as low as 38%.