Down is a great insulator but does need looking after. We favour Nikwax Down Wash Direct for all our down mountaineering products.
Welcome to the Nikwax blog How to wash your down garments safely
How to Wash and Waterproof a Down Jacket
Down Wash.Direct®
How do you buy the right down jacket? And what you need to know
Welcome to the Nikwax blog Nikwax – the Hydrophobic Down and
How to Wash and Care for Your Down Jacket - Patagonia Stories
Nikwax Down Wash Direct - 10 fl. oz.
I Washed my Zenbivy for the First Time: Here's What I Learned
How to wash and care for your down jacket or sleeping bag
Nikwax - Down Proof
Caring for Waterproofs – Mountain Equipment USA
Tips for Using Revivex Down Cleaner