Hand wash: Use cool or lukewarm water and a mild liquid laundry detergent. You can also use a solvent-based product like Shout or shampoo and a soft toothbrush to gently scrub dirty areas, being careful around logos and stitching. Rinse thoroughly and gently squeeze out excess water, avoiding twisting the brim. Lay the hat on a clean towel to air dry in a well-ventilated area, reshaping it as needed and avoiding heat or direct sunlight.
Machine wash: Use the gentle cycle with cold water and a mild laundry detergent, avoiding bleach and fabric softener. You can wash your hat with other hats or a few lightweight items, but avoid bulky items that could crush its shape. After washing, rinse thoroughly and gently squeeze out excess water, reshaping as needed and laying it flat to air dry.
