Unverified85% confidenceFactTime unknown
纯羊毛袜耐磨性差易破洞，优质保暖袜通常混纺15-25%尼龙/锦纶提升耐磨，脚跟脚趾加固区域（毛圈或加密编织）能显著延长寿命
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85%
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Long-term
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