9 Items You Wash Too Much and 9 You Always Forget—What’s Hiding in Your Home?

4. Winter hat versus cap

Winter Hats vs. Caps: Cleaning and Care Guidelines If you don’t wear winter hats daily, washing them once every two months—about three times per season—is enough. Most can go in the machine, but always check the care label first.

Caps need gentler treatment. Hand wash them twice a year in cold water to avoid stains and help them keep their shape and color.