Merino Wool Fabric Weight - What Does GSM Mean? - Duckworth

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What does GSM mean as it relates to Merino Wool fabric weight? GSM stands for Grams per Square Meter and is the standardized method of quantifying the weight of fabric, especially where it pertains to Merino Wool layers and/or other outdoor apparel, gear and goods. Why is this important? Well, there are a number of reasons one might want to know the weight of a garment, from perceived-to-actual warmth and thermoregulation generated by said Merino Wool layer, all the way to literally counting weight for extended and demanding trips into the backcountry (these folks are sometimes referred to as “pound counters,” people who very much consider the individual weight of every wool layer, piece of gear, and snack they plan to haul into the wild). However, if you’re someone who just wants to score a few Merino Wool base layers for an