Unverified85% confidenceDecision RuleTime unknown
防晒需求场景（户外/骑行/钓鱼）应选UPF≥40且明确标注UV阻隔率≥95%的产品，普通薄款速干T恤UPF通常仅15-25不足以防晒
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Unverified防晒速干T恤要认准UPF≥40且标注UVA透过率＜5%才算有效防晒；深色、密织面料防晒优于浅色薄款，单纯浅色速干衣防晒能力有限90% similarUnverified防晒亲子款认准UPF标注：户外日间跑步选UPF40+（防晒率≥97.5%）且深色或密织面料，浅色薄款即使标防晒实际UPF常不足15，遮阳效果有限88% similarUnverified宣称防晒的速干T恤应认准UPF值标注：UPF≥40且UVA透过率<5%才达到国标'防紫外线产品'标准，仅标'防晒'无UPF数值的多为营销话术88% similarUnverified防晒速干T恤的UPF值需≥40才有实际意义（UPF40+可阻挡97.5%紫外线，UPF50+阻挡98%以上），深色面料防晒优于浅色，但深色吸热更闷需搭配透气网眼设计88% similar
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