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Wool is wonderful. I, and my companions, appreciate the low stink factor and, as a frequent desert crawler, wool suits me with its ability to release heat during the hot days and keep the chill off after sunset. Lots of companies offer thin wool base layers these days. I've worn merino wool next-to-skin layers from SmartWool, Icebreaker and Ibex and been pleased with all of them. Patagonia's Wool 2 fabric feels great too. This review introduces another company with comparably priced options for those choosing wool - I/O Biocompatibles.
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