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the claim

Cotton clothing keeps wearers cooler than synthetic fabrics in hot weather.

the verdict
CONTESTED PARTIAL
Recorded sources
2 sources for · 3 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that cotton clothing keeps wearers cooler than synthetic fabrics in hot weather?

Partly. The retrieved items only partly address the claim: a small 2017 study of eight male athletes found no body-temperature difference between cotton and polyester and favored synthetic on some comfort measures, while an 1889 newspaper column and a Wikipedia entry describe cotton as breathable or preferable to wool. None of the items directly compares cotton with synthetic fabrics for cooling in hot weather across a general population.

Verdict: CONTESTED PARTIAL · 2 sources for, 3 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 2
Heat Problems.
1983
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Patrick, C. G. (1983). Heat Problems.. eric.ed.gov. https://eric.ed.gov/?id=ED233978

Evidence against · 3
How to choose clothes to wear in extreme heat | AP News
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How to choose clothes to wear in extreme heat | AP News. (n.d.). apnews.com. https://apnews.com/article/weather-heat-wave-clothing-fabrics-cooling-a15bf647a164d557500c873dab6ee7f0

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More for · 1
Cotton
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Cotton. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Cotton

More against · 2
Influence of Clothing on Thermoregulation and Comfort During Exercise in the Heat
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Influence of Clothing on Thermoregulation and Comfort During Exercise in the Heat. (n.d.). cir.nii.ac.jp. https://doi.org/10.1519/jsc.0000000000001754

2 recorded entries grouped as this source

Additional records of the same source are shown below. They are not counted as additional sources.

Influence of Clothing on Thermoregulation and Comfort During Exercise in the Heat.
2017
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Davis, J. K., Laurent, C. M., Allen, K. E., Zhang, Y., Stolworthy, N. I., Welch, T. R., & Nevett, M. E. (2017). Influence of Clothing on Thermoregulation and Comfort During Exercise in the Heat.. doi.org. https://doi.org/10.1519/JSC.0000000000001754

WOOLLEN CLOTHES THE BEST. (Clutha Leader, 26 April 1889)
1889
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WOOLLEN CLOTHES THE BEST. (Clutha Leader, 26 April 1889). (1889). paperspast.natlib.govt.nz. https://paperspast.natlib.govt.nz/newspapers/CL18890426.2.4.3

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