Those thick, puffy, down-filled jackets are popular for their warmth and style, but they can be unusually difficult to clean. The coats are usually made from synthetic materials vulnerable to heat damage. After washing, they must be dried carefully to avoid warping or damaging the fabric and exposing the down filling. There are two good methods to do this.
Place the coat into the dryer.
Set the dryer to its lowest heat setting and "Tumble Dry."
Dry the coat in the dryer for several hours until dry to the touch, checking the coat hourly for signs of damage.
Hang the damp coat on the edge of a door or on a coat hanger in a room.
Turn the electric heater on its highest setting.
Close all doors to the room and allow the jacket to dry for hours in the room. It will take more than 12 hours for the jacket to dry, but this gives the least risk of damage.
If machine-washing, check the coat for wet areas as it is drying and shake the coat to distribute the wet down.
Make sure the your dryer is large enough for the coat to freely move around in. If the dryer is too small, the risk of damage will be great.
Do not dry the coat outside. The UV light could damage the nylon.
Do not take down coats to be dry-cleaned because the chemicals used during dry-cleaning could damage the fabric.