Sophie Strauss explains that silk fiber is insulating, meaning covering a lot of the body in silk might increase warmth.
The Risks of Synthetic Textiles
Synthetic fabrics such as polyester, nylon, or acrylic present distinct disadvantages during extreme heatwaves.
Materials like polyester and nylon have moisture-wicking properties but often remain highly uncomfortable when temperatures spike.
Synthetic options feature tight weaves that lower breathability and trap heat against the body.
Dr. Doris Day, a board-certified dermatologist and associate professor at NYU Langone Medical Center, notes this can impede natural temperature regulation and cause heat rash.
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Polyester garments also tend to retain unpleasant odors.
A 2014 study confirmed that polyester attracts odor-causing bacteria, resulting in a smell that is significantly stronger, more sweaty, and more sour compared to breathable cotton.
Environmental data adds another reason to avoid these materials.
A 2020 report revealed that 4,000 metric tons of microfibers from synthetic clothing had been released directly into California's natural environment.
Sophie Strauss points out that synthetic materials are widespread in modern closets.
Many people do not realize how much of their everyday clothing is made from polyester or poly blends instead of pure natural textiles.
Managing Moisture and Smart Color Selection
Dermatologists emphasize the importance of changing out of wet garments quickly.
Dr. Doris Day warns that staying in sweaty clothes too long can cause heat rash, acne, or fungal acne breakouts within hair follicles.
Color choices play a significant role in masking visual sweat stains.
