Unverified82% confidenceDecision RuleTime unknown
面料横向弹性拉伸率应≥20%（罗纹领或含3-5%氨纶/弹性纤维），纯棉平纹面料弹性不足，套头时领口易变形松垮或卡头
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82%
Confidence
Long-term
Relevance
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Unverified含氨纶弹性成分5%-8%的脖套伸缩适配性最佳，既能贴合又不勒；纯棉/纯毛无弹款套头困难且易变形松垮87% similarUnverified面料含氨纶（弹性纤维）比例5%-8%时套穿便利性与保型性最平衡，低于3%延伸不足难套头，高于10%虽好穿但反复拉伸后领口易松垮变形86% similarUnverified垂感看面料克重与成分：粘胶（人造丝/莫代尔）克重180-250g/㎡垂坠感最佳；纯棉平纹易起翘变形，聚酯纤维过轻易起静电贴身85% similarUnverified面料垂感是侧缝绑带裙成败关键：选醋酸、天丝或含垂感涤纶（如冰麻）的面料，克重140-200g/㎡区间；纯棉或硬挺面料系带后侧缝会向外支棱，显得臃肿85% similarUnverified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85% similar
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