Unverified80% confidenceFactTime unknown
面料防风性看密度而非厚度：高密尼龙/涤纶（400T以上）风阻性能优于同重量的疏松梭织棉，薄款风衣也可有效挡风
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80%
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Long-term
Relevance
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Unverified防风性能看面料密度而非厚度，高密度平织尼龙（如20D以上高支）比松散棉质更防风，即使更薄；棉质薄夹克几乎不防风85% similarUnverified防风外套看面料纱线密度，尼龙面料标注20D-40D轻薄但防风一般，70D以上防风抗撕裂明显更好但偏重84% similarUnverified软壳防风夹克的面料克重（如80-160g/m²）与防风保暖成正比但影响透气，越野跑/高强度有氧选轻薄款(<100g/m²)，静态或低强度户外选偏厚款83% similarUnverified抓绒衣本身几乎不防风，普通抓绒在4级以上风中保暖大打折扣；需防风应选带Windstopper/Windpro膜层的抓绒或外搭硬壳，但复合防风抓绒的透气性和压缩性会明显下降83% similarUnverified软壳的防风性看膜层结构：无膜纯梭织软壳仅防风50-80%，适合秋季通勤；含PU/TPU膜层软壳防风≥90%且带一定防水（耐水压≥5000mm），适合徒步和低温风大环境81% similar
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