Unverified80% confidenceTradeoffTime unknown
纱支越高柔软度越好但耐洗性越差，婴儿内衣需高频水洗，日常穿着选21-26支平衡柔软与耐用，追求极致亲肤（如满月照）可选高支但接受更快起球磨损
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified纯棉睡衣选32支及以上支数手感更细腻，40支双层纱布料柔软度和透气性最佳，适合婴幼儿敏感肌肤83% similarUnverified耐洗涤性看车缝线密度和面料克重，婴幼儿裤需频繁高温烫洗，选双线锁边、克重≥120g/㎡的款式，避免薄款几次洗后变形起球78% similarUnverified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78% similarUnverified支数越高越细腻，40支(约21.6微米)以上棉纱做的T恤手感柔软有垂感，但30支更耐磨适合频繁穿洗，日常基础款选32-40支双纱最平衡77% similarUnverified材质越厚耐扎性越好但会更重更硬，贴合柔软度下降，幼儿长时间佩戴可能磨红皮肤；日常泳池2-4岁用0.25mm兼顾耐用与舒适77% similar
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