Unverified80% confidenceDecision RuleTime unknown
看透湿量（透气性）：儿童活动出汗多，透湿量≥5000g/m²/24h可避免出汗后闷湿受凉，纯防水不透气的PU涂层雪地服久穿易导致内层潮湿反而更冷
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Unverified防水等级越高（膜越厚）透气性越差，纯登山雪线以下的三季徒步选耐水压8000-10000mm+高透湿即可，盲目追求20000mm会导致闷汗，出汗量大于淋雨量83% similarUnverified保暖越强越厚重，孩子活动越受限也越出汗；-5到-10℃城市玩雪，选中等填充+高透湿比一味加厚更舒适实用81% similarUnverified克重越高越保暖但透气性越差、干得越慢，儿童活动出汗多时400g以上加绒款捂汗易感冒，室内活动建议280~320g81% similarUnverified透气值（Breathability/MVTR）与防水同样重要，建议≥10000g/m²/24h，高强度出汗的公园动作或徒步上山场景应选≥15000g，否则内层闷汗结冰更冷79% similarUnverified透气性看MVTR透湿量：中低强度通勤选≥10000g/m²/24h；高强度爬坡骑行需≥15000g/m²/24h，否则汗气排不出会内部凝水导致失温77% similar
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