Make sure your bucket or sink is clean beforehand. [9] X Research source

Roll a soft towel into a ball and stuff it inside your hat to help it keep its shape. This is especially useful for hats that have gone limp after washing, or if you do not have a container on hand to rest your hat on as it dries. [17] X Research source

Plug in a blow dryer and turn it on your hat on the lowest/coolest possible setting. This will hasten the drying process if you’re short on time. [19] X Research source If you don’t have a blow dryer on hand, a fan is just as effective. Plug in a pedestal fan and aim the head down at your hat. The air flow will help your hat to dry faster. [20] X Research source