Hot flashes arrive fast and pass fast, so the right fabric has to dump heat quickly and not cling once the flush subsides. The best choices are highly breathable, light, and able to move moisture away from the skin.
Ranked on breathability and moisture management, penalised for warmth and weight. Scores combine ISO 6741-1 moisture data with breathability, thermal, and weight attributes — recalculated at each build, with no affiliate bias.