breathability

noun

1. (countable, uncountable)The ability of a fabric (or clothing) to transmit air and moisture.

   “If you’re looking for the most breathable mask, Lukovics says, “Cotton is preferable, mainly for absorbing moisture/sweat.” She says multiple layers may be more protective but will also impact breathability.”

   “To find the best rain jacket, we tested everything from waterproofness and breathability to fit, feel and packability.”

2. (countable, uncountable)The degree to which air or other substance is suitable for breathing.