9 Things We Over-Wash, and 9 Others We Forget to Clean

4. Winter hat versus cap

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Winter Hats vs. Caps: Cleaning and Care Guidelines Winter hats, if not worn daily, need washing once every two months—approximately three times per season. Most can be machine washed, but always check care labels for specific instructions.

Caps require gentler care. Hand wash them twice a year in cold water to prevent stains and preserve their shape and color.