non-breathable
[/nɒn ˈbreðəbl̩/]
adjective
impermeável ao ar
1. not allowing air or moisture to pass through; impermeable to air circulation
The non-breathable fabric traps heat and moisture inside the garment.
O tecido impermeável ao ar retém calor e umidade dentro da peça de roupa.
2. describing a material that does not permit ventilation or air exchange
Athletes often avoid non-breathable synthetic materials in favor of moisture-wicking fabrics.
Atletas frequentemente evitam materiais sintéticos impermeáveis ao ar em favor de tecidos que absorvem umidade.
3. (of a surface or coating) not allowing gases to pass through
The non-breathable coating on the roof prevents water from seeping through but may trap moisture.
O revestimento impermeável ao ar no telhado evita que a água infiltre, mas pode reter umidade.
In contemporary usage, particularly relevant in American and Brazilian athletic and outdoor apparel industries, 'breathable' versus 'non-breathable' has become marketing terminology. Non-breathable materials are often avoided in activewear but maintained in waterproof outerwear. Brazilian Portuguese speakers typically use 'impermeável' or 'não respirável' when discussing clothing technology and environmental concerns about air circulation.
Related Idioms & Phrases
breathable vs non-breathable materials - common comparison in textiles
moisture trap - reference to non-breathable fabrics trapping sweat
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