Unverified85% confidenceDecision RuleTime unknown
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
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified四向弹性(4-way stretch)面料的软壳裤活动自由度显著优于两向弹性，攀爬、大跨步动作时膝盖和裆部不牵绊，选购时看吊牌是否标注4-way或mechanical stretch87% similarUnverified四向弹力面料（含氨纶/弹性尼龙）比两向弹力关节活动自由度高约30%，攀岩、抱石、大幅度动作选四向弹力，普通徒步两向弹力即可86% similarUnverified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85% 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85% similarUnverified弹力越高越贴身舒适但支撑感越弱：四面弹（four-way stretch）面料活动自由度高适合瑜伽攀岩，压缩支撑则需低弹高压面料，两者难兼得83% similar
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