How to Wash a Down Sleeping Bag - LOWLAND OUTDOOR®
Hand Washing a Down Sleeping Bag. If you want to hand wash your down sleeping bag, you will need to do this in a bath. Rinse your bath before filling it up with lukewarm water. Add your mild fabric cleaner or specialist down cleaner to the bath and mix it around until it is evenly distributed. Submerge your sleeping bag into the bath.