Unverified85% confidenceDecision RuleTime unknown
发热内衣的核心是吸湿发热纤维（如东丽Eks、旭化成），面料中吸湿发热纤维含量需≥30%才有明显体感发热，含量＜20%的多为营销噱头，实际靠普通聚酯纤维锁温
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85%
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Long-term
Relevance
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