Unverified85% confidenceDecision RuleTime unknown
选购登山用软壳优先看四向弹力（4-way stretch）标注，膝盖抬升与手臂上举无束缚感；两向弹力面料在攀爬动作时会明显扯拉
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85%
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Long-term
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Unverified攀岩/抱石类活动选四向弹性（4-way stretch）面料+锥形收腿版型，膝部有立体剪裁；纯登山则可用两向弹性以换取更好耐磨91% similarUnverified选攀岩/抱石软壳看四向弹力（4-way stretch）和肩背活动余量，含氨纶8%以上或标注high stretch的面料抬手不牵拉，纯尼龙无弹力软壳不适合大动作86% similarUnverified四向弹力（four-way stretch）软壳的拉伸率通常达30-50%，明显优于二向弹力，适合攀岩、攀爬等大幅度动作；标注仅‘弹力’未注明四向的多为二向或含弹性纤维极少，活动受限85% similarUnverified选攀岩/攀冰用软壳看'四向弹力'标识+腋下立体裁片，抬手时下摆不上窜为合格；面料弹力越好活动越自由但耐磨与防风下降85% similarUnverified弹力适中而非高弹，大幅度攀爬动作（如via ferrata铁索攀登、岩降）时活动自由度不如四向弹力版本，介意者应优先选择标注四向弹力的款式83% similar
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