014 / Research · Fabric Weight
What Is GSM in Clothing? Does Higher GSM Mean Better Quality?
GSM means grams per square metre: the mass of a fabric per unit area. It describes weight, not quality on its own. Clothing-comfort research measures other properties, such as air permeability and water-vapour permeability, which a GSM number does not describe.
Effect of air permeability and water vapour permeability of clothing on physiological responses and wear comfort (Journal of Occupational and Environmental Hygiene, 2014)
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