Winter caps should be cared for with a gentle hand in order to maintain their best quality. It is best to spot clean the cap with a damp cloth and mild detergent, or have it professionally dry cleaned. To prevent any damage, the cap should be stored in a cool, dry place away from direct sunlight. Avoid using any harsh chemicals or detergents that could affect the fabric of the cap. Also, never put the cap in the dryer; air dry it instead.