Unverified80% confidenceDecision RuleTime unknown
罗纹袖口/下摆需含2-5%氨纶（弹性纤维）才能长期回弹不松垮，纯棉罗纹穿几次后易变松，选购时查看成分表氨纶含量
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified含5%-8%氨纶或弹性纤维的领口和袖口回弹性好、不易松垮变形；纯羊毛/羊绒领口反复穿脱后会逐渐撑大失去弹性87% similarUnverified含5%-8%氨纶（弹性纤维）的高领衫贴身修身且回弹好不变形，纯棉纯羊毛无弹力款穿几次易松垮出现膝盖状凸起86% similarUnverified长绒棉/丝光棉POLO衫平纹光泽感强、适合商务，但需混纺2%-5%氨纶才能保证领口回弹，否则3-5次洗涤后领型松垮86% similarUnverified预算有限追求耐穿时不建议买含氨纶超过5%的弹力polo：弹性纤维在反复洗涤和暴晒后会先于棉纤维老化，导致衣物一年内领口袖口松垮变形失去弹性85% similar
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