Unverified82% confidenceDecision RuleTime unknown
长途负重徒步凉鞋外底橡胶邵氏硬度建议在60-70A之间，过软（<55A）抓地好但磨损快，过硬抓地差；纹路深度≥4mm才能在碎石/泥地提供有效咬合
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82%
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Long-term
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Unverified橡胶大底硬度以邵氏C 55-65为宜：过软(＜50)缓震好但3-6个月磨平，过硬(＞70)耐磨但脚感发死；步行鞋建议在后跟和前掌落地点布置耐磨橡胶(如碳素橡胶)84% 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84% similarUnverified抓地纹路（外底橡胶）越软的鞋抓地越好但耐磨越差，硬橡胶密齿寿命可达800-1000km但湿滑岩石抓地弱；软胶大颗粒湿地强但常300-500km齿就磨平84% similarUnverified防滑鞋底优先选天然橡胶（NR）材质，其湿地摩擦系数比EVA大底高30%以上；儿童鞋大底邵氏硬度建议在55-65A之间，过硬（>70A）抓地差，过软（<50A）不耐磨83% similarUnverified老年健步鞋底纹深度≥3mm且采用波浪形或多向纹路，湿滑地面防滑系数更优；橡胶大底比EVA单一材质大底防滑耐磨性显著更好83% similar
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