Unverified80% confidenceTradeoffTime unknown

防紫外线等级越高（如UPF50+搭配深色厚织物）通常面料越致密，透气快干性越差；追求轻薄快干则需接受防晒力下降，海边优先防晒、泳池优先快干

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UnverifiedUPF50+防晒指数达标，但轻薄面料意味着隔热性有限，防紫外线表现优于隔热表现。89% similar UnverifiedUPF40+防护等级能阻隔大部分紫外线，但若需要更高强度户外防晒（如高原、长时间正午暴晒），建议选择UPF50+或以上产品88% similar

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