Unverified75% confidenceDecision RuleTime unknown

凉感面料的核心指标是Q-max接触瞬间凉感值≥0.2 J/cm²·s，越高越凉；夏季户外骑行选0.3以上，配合网眼透气孔设计可降低闷热感

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75%

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防晒口罩category

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Unverified凉感面料靠'接触瞬间凉感值Q-max≥0.2'实现，数值越高触感越凉；但凉感≠透气，含冰丝氨纶的高凉感面料往往密不透风，闷热感反而重87% similar Unverified凉感面料的凉感来自Q-max接触凉感值≥0.15（J/cm²·s可标称'凉感'），但凉感涂层多为瞬时导热，实际持续凉爽依赖透气度与排汗速干，选购时优先看是否含冰丝/锦纶凉感纱+网眼透气结构86% similar Unverified防晒袖套的凉感来自接触瞬间凉感值Q-max≥0.15w/cm²，数值越高瞬间越凉，但凉感是物理导热非降温，出汗后凉感会明显衰减86% similar

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