How to Wash a Sleeping Bag Without Losing the Loft

How to Wash a Sleeping Bag Without Losing the Loft

Date:2026.09.29

Most sleeping bags are damaged by cleaning, not by use. The rules are short, and the things to avoid matter more than the things to do.

Do:use a front-loading machine on a gentle cycle at 30°C with a small amount of mild liquid detergent and an extra rinse. Zip the bag up first, and if the drum is small, wash it inside a mesh laundry bag. Dry on low heat with two or three dryer balls, or air dry flat and turn it regularly.

Do not:use top-loading machines with an agitator, fabric softener, bleach or biological detergent. Do not dry clean down — the solvent strips the natural oils and the loft never fully returns. Do not wring, and never store a bag compressed: keep it loose in a cotton or mesh storage sack.

A bag used a few weekends a year needs washing roughly once a season, or whenever it smells or the shell looks soiled. Washing more often than that wears the shell and the fill for no benefit — a liner is the cheaper way to keep a bag clean.

We print care instructions in the customer's language and can include a wash bag and storage sack with the order. Ask us for details: linda@reliableoutdoors.com.

8613606101264 zlmshuidai@gmail.com