Unverified80% confidenceTradeoffTime unknown
弹性越强的腰围（高氨纶含量）回弹和贴合越好，但反复洗涤后松紧带失效越快；棉+少量氨纶（约5%）的耐洗性优于高弹莱卡，日常童裙更耐用
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80%
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Long-term
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Unverified弹力越高越舒适但越不耐穿也越易变形：氨纶2%以内保型好养色，氨纶超过5%（含涤纶的仿牛仔）弹性大但膝盖易鼓包、洗几次就松垮无型84% similarUnverified锦纶面料弹性恢复能力较好，但多次洗涤后面料弹性和收腹压力会有所下降，是该类轻压裤的通性短板，耐用性有限82% similarUnverified弹力舒适与耐久性存在取舍：3%氨纶高弹穿着自由度好，但氨纶比例较高、面料较轻，长期频繁穿洗后弹性回复和耐磨性均不如厚重纯棉牛仔81% similarUnverified含氨纶（莱卡/弹力纤维）3-8%的内衣贴合度和回弹更好，但氨纶怕高温，长期机洗高温烘干会使弹性快速衰减、发黄松弛81% similarUnverified含2-4%氨纶的弹力混纺裤久坐更舒适，但氨纶随洗涤次数增加会逐渐失去回弹，腰部与膝盖处最先松弛；追求长期挺括者应选高比例精纺羊毛或结构性梭织面料。80% similar
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