How to Clean a Down Jacket | Keep The Loft Alive

For the full breakdown, see our best Down Jacket on a Budget guide.

Dirty down loses its warmth, but the wrong wash ruins it fast. Most jackets need just a few careful steps: a front-loading washer, the right detergent, and patience through a long slow dry. Skipping the rinse or stopping the dryer early leaves clumped feathers, trapped soap, and a musty smell that’s hard to fix. The good news is that a thorough clean restores both loft and warmth when you follow the jacket’s care label first.

If your jacket’s seen years of snow, sweat, and trail dust, this guide walks through the full process—from prep to re-lofting—so you can wash with confidence instead of crossing your fingers.

Before You Wash: What A Down Jacket Needs

No two jackets wash the same, so the care label wins every time. Check for specific instructions like front-loader-only or hand-wash padding. Most down jackets handle a machine wash, but a top-loader with a center agitator can tear baffles and shred fill, so use a front-loading washer or hand-wash instead.

Down-specific detergent is worth the purchase. Regular detergent strips the natural oils from feathers, which reduces loft and warmth over time. Fabric softener and bleach are straight out—softener coats the feathers and clogs their ability to expand, while bleach attacks the shell’s water-repellent finish. Patagonia’s care guide recommends down soap, a front-loading washer, and a dryer that consistently runs on low heat.

Step-By-Step: How To Machine Wash A Down Jacket

Clean the jacket alone in the washer—other clothes can snag the shell or unevenly distribute the fill. Zip it fully, close all snaps and velcro, and turn it inside out to protect the outer fabric from wear.

1. Add down-specific detergent to the machine, following the bottle’s dose.
2. Set the washer to a gentle or delicate cycle with warm or cold water. Warm water cleans better, but hot water risks shrinking the shell.
3. Run an extra rinse cycle. This matters more than any other step: leftover soap residue makes down sticky and slow to re-loft.
4. Remove the jacket and gently press water out of it. Never wring or twist the shell—that breaks the down clusters inside. Pat it dry with a towel if needed.

Drying Is The Hardest (And Most Important) Step

High heat degrades the feathers and can melt or damage the shell’s coatings, so medium or high heat is never okay. This is the step where most people quit early and end up with a lumpy jacket.

• Add two clean tennis balls or dryer balls to the dryer. They thump the jacket, which breaks up wet clumps and redistributes the down so it can expand.
• Dry on low heat in 30-minute intervals. Between cycles, pull the jacket out and gently pull apart any stubborn clumps with your fingers.
• Keep drying until every inch of the jacket feels bone-dry, not just the outer fabric. The down must be fully re-lofted and fluffy.
• If it smells musty or still clumps, it needs more drying time.

A partially dry jacket is the top cause of mildew and odors, so it’s better to over-dry on low heat than to rush the job. When it’s done, store it loose—never compressed in a stuff sack for weeks—so the down holds its loft between wears.

FAQs

Can I use regular laundry detergent on a down jacket?

It’s not recommended. Regular detergents strip the natural oils from goose or duck down, which cuts into its warmth and loft over time. Down-specific soaps like Nikwax Down Wash Direct or Grangers Down Wash are formulated to clean deeply while preserving those oils. If you’re in a pinch and the label allows it, use the smallest amount of a gentle, unscented detergent—never fabric softener or bleach—and rinse extra thoroughly to remove all residue.

My down jacket got soaked in the rain—how do I dry it?

Wet down collapses and feels cold even when the shell is dry, so dry the jacket on low heat with clean tennis balls or dryer balls as soon as possible. Air-drying a fully soaked jacket can take days and invites mildew, so machine-drying is the faster, safer route. If the jacket is only damp from snow or sweat, hang it flat in a warm, airy room away from direct heat until the loft returns. Never dry wet down directly on a radiator or in the sun, which damages the fill and shell coating.

Why does my down jacket smell bad after washing?

The most common cause is stopping the dryer too early—trapped moisture in the down clusters breeds mildew and bacteria. Leftover detergent residue also holds odor and makes the jacket feel sticky. Rewash the jacket with a down-specific detergent, rinse it twice, and dry it fully on low heat with tennis balls until the loft is completely restored.