Unverified85% confidenceDecision RuleTime unknown
检查大底外沿和后跟磨损：橡胶大底外圈磨损露出中底EVA、或后跟磨损深度＞3mm且已偏斜，说明步态已固化到该鞋上，二手购入后穿着不适且减震大幅衰减，应放弃
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85%
Confidence
Long-term
Relevance
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Unverified鞋底越软缓震越好但越不耐磨，纯软EVA底2-3个月后掌部易磨损塌陷；橡胶大底耐磨防滑但偏硬，日常通勤选橡胶外底+EVA中底的组合最平衡79% similarUnverified鞋底防滑纹路应为深0.5mm以上的横向或波浪纹，纯平底或浅纹橡胶在瓷砖/木地板上打滑；但『防滑』与『软脚感』有权衡——纹路太深太多的厚橡胶底会牺牲弯折性78% similarUnverified橡胶脚垫直径≥45mm且带同心圆纹路的抓地力明显优于小平底垫；脚垫磨损露出内部塑料或纹路磨平后必须更换，这是拐杖打滑摔倒的首要原因77% similarUnverified防滑鞋底应选波浪纹、圆点纹或不规则花纹（增加接触面），避免整片平滑或大块光面橡胶；实测防滑看鞋底能否弯折时不打滑，橡胶硬度过高（如TPR过硬）反而在瓷砖上打滑77% similarUnverified防滑脚垫是易损耗核心部件：橡胶脚垫磨损露出金属或磨平后必须立即更换，磨损脚垫在瓷砖、雨天湿滑地面打滑是老年人跌倒主因。选购时确认脚垫为通用规格便于更换77% similar
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