Unverified85% confidenceDecision RuleTime unknown
需要覆盖口鼻的围脖，上拉高度应达到能盖住鼻梁下沿（约展开高度25cm以上），且口鼻处应有透气网孔或激光打孔设计，否则呼吸的水汽会在面料内凝结结冰，反而更冷更湿
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85%
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Unverified上拉覆盖口鼻的防风颈套在-5度以下低温呼吸时易产生冷凝水导致内侧结霜结冰，长时间高强度运动建议选带透气孔或3D立体口鼻区设计的款式88% similarUnverified上拉覆盖口鼻的围脖优先选双层结构且口鼻区打孔透气设计，纯单层功能面料上拉后呼出水汽冷凝，10分钟内即在面部结冰或产生湿冷感87% similarUnverified覆盖高度选18-22cm的可上翻到鼻梁款，能护住下巴和口鼻应对寒风；低于14cm仅护脖，遇大风口鼻仍暴露86% similarUnverified口鼻区域必须有透气孔或网眼面料，否则呼出的水汽在低温下凝结会打湿面料并结冰，导致口鼻区域越戴越冷86% similarUnverified口鼻区必须有独立透气孔或激光打孔透气面料，否则呼出水汽会在护目镜内侧凝雾结冰，纯密闭覆盖口鼻的款式滑行时几乎必起雾83% similar
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