Unverified90% confidenceDecision RuleTime unknown
户外和海边使用应选UPF50+标注的泳衣（阻挡98%以上紫外线），普通泳衣即便湿水后防护性也会下降；深色和高密度织物防紫外线优于浅色薄款，湿水后UPF值普遍下降30%-50%
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Unverified防晒泳衣需认准UPF50+标识（可阻挡98%以上紫外线），普通泳衣未标注UPF值时深色面料防晒优于浅色；长时间海边浮潜或户外活动优先选长袖连体潜水服款88% similarUnverified海滩度假装优先选UPF50+标注面料，UPF50+可阻挡98%以上紫外线；海边紫外线因水面反射比陆地强25%以上，普通棉质衣物湿水后UPF仅5-10急剧下降86% similarUnverified选择UPF50+防紫外线等级的儿童泳衣，可阻挡98%以上紫外线，适合海边、泳池等长时间户外暴晒场景；UPF30-40仅适合室内泳池或短时游泳86% similarUnverified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83% similarUnverified防晒UPF50+且认证标注需覆盖长时间户外泳池/海边场景；单纯标注'防晒面料'无UPF数值的不可信，湿水后防晒面料的UPF值会下降约30%，所以要选干态UPF50+的83% similar
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