Unverified85% confidenceDecision RuleTime unknown

防晒速干裤看UPF值，UPF40+才有实际防晒意义（阻挡97.5%以上紫外线），标注UPF30以下的防晒功能属营销噱头

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85%

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Unverified防晒速干裤认准UPF50+且标注紫外线透过率＜5%才有实际意义；仅标'防晒面料'无UPF数值的多为宣传，浅色薄款速干裤UPF普遍不足3090% similar Unverified选防晒功能优先看标注UPF50+（可阻隔97.5%以上紫外线），仅标注'防晒'无UPF数值的多为营销话术；浅色速干T恤防晒能力通常不如深色同款88% similar Unverified防晒速干衬衫看UPF值，UPF40+才有实际防晒意义，UPF50+能阻隔98%以上紫外线；但真正防晒力来自织物密度和后整理，浅色薄款即使标UPF50实测也常缩水，深色或密织更可靠88% similar

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