Unverified82% confidenceDecision RuleTime unknown

防雨帽檐长度≥9cm 才能有效隔离雨水直落面部与眼镜，7cm以下在侧风雨中基本失效

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防雨帽檐category

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Unverified帽身面料耐水压需达到10000mm以上才算真防雨，5000mm以下遇持续中雨会渗透，选购时看是否标注防水静水压参数而非仅写'防泼水'80% similar Unverified防水帽的防水面料需看耐水压参数，日常小雨选耐水压≥5000mm即可，暴雨或长时间户外徒步建议≥10000mm并带压胶接缝处理77% similar

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