棉袜 (mián wà) literally means 'cotton socks' — 棉 (mián) means 'cotton', a soft, natural fiber commonly used in clothing for breathability and comfort, and 袜 (wà) means 'sock'. Together, they refer specifically to socks made primarily from cotton, valued for their softness, moisture absorption, and suitability for everyday wear, especially in mild weather or indoor settings.

This term is neutral and widely used in daily life — you’ll see it on product labels, in shopping apps, and in casual conversation when discussing footwear or seasonal clothing. Unlike generic terms like 袜子 (wàzi), 棉袜 emphasizes material composition, making it useful when comparing fabric types (e.g., wool, synthetic, or blended socks). It’s commonly paired with adjectives like 纯棉 (chún mián, '100% cotton') or 厚/薄 (hòu/bó, 'thick/thin') to specify quality or seasonality.