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Firn [Womens] Down jacket

Firn [Womens] Light and packable 550 fill power duck down micro jacket for winter walking


  • Tomato - Firn [Womens] Light and packable 550 fill power duck down micro jacket for winter walking
  • Reef - Firn [Womens] Light and packable 550 fill power duck down micro jacket for winter walking

Lightweight 550 fill power duck down micro-rib jacket; uncluttered and packable, it makes an excellent standalone jacket for cool weather walking and fits well under a shell when the weather closes in 


1. Colour / Size
Fitting guide
8 10 12 14 16
8 10 12 14 16

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  • Full Description
  • Features At A Glance
  • Care & Environmental Advice
  • Size Guide
  • Customer Reviews

It’s always been about getting outdoors. For that we didn't necessarily need all the mod-cons, we needed kit that simply worked so that we could focus on enjoying ourselves.

Firn was made to keep you warm, whether you wear it as a standalone outer layer or under a shell for extra protection. 

It has narrow micro baffles which give it a slim silhouette for active use when you don’t want to feel too swaddled. That said, when the weather’s brutal and you’re craving that ‘swaddled’ feeling, it fits comfortably beneath your shell jacket. The close-fitting collar and low-profile elasticated cuffs slip easily below your glove cuffs or your waterproof’s sleeves too, to seal out the draughts.

Firn has two zipped hand pockets to bury your hands in. You also have a zipped internal chest pocket for stashing your phone or keys. 

The fabric is soft, light nylon that’s comfortable to move in, and it has a water repellent coating on the outer fabric to fend off moisture and dirt. With a 550 FP down fill, it takes up little space in your pack but lofts nicely to keep you well-insulated when you need it.

Product Insight
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Key features
  • Spot on for layering up, uncluttered design, low-bulk baffles and close-fitting collar
  • Lycra-bound cuffs and drawcord adjustable hem to keep out the draughts
  • 2 zipped hand pockets and 1 internal zipped chest pocket for your valuables
  • DWR coated keeps the moisture at bay in damp conditions
  • RDS certified duck down
  • 3 Year Alpine Bond
Vital stats
Weight (Total/Fill) 

8: 250/114 g; 10: 260/122 g; 12: 320/130 g; 14: 310/138 g; 16: 335/146 g 


Fill: 80/20 duck down; RDS certified 
Fill power: IDFB 550 
Main Fabric: 100% nylon, 20d, 36 gsm 
Lining: 100% nylon, 20d, 38 gsm 
Construction: Stitch-Thru 

Environmental Considerations

The chemical finish that keeps water beading off your jacket has changed. 
As with all garments from responsible outdoor brands, our DWR treated garments meet international environmental standards and require occasional washing with a technical wash to maintain their high breathability. 
This wasn’t always the case. Years ago, garments were treated with chemicals that had toxic by-products that lingered in the environment for generations. Those old chemicals needed little maintenance, whereas modern waterproofs need regular washing. 
We fully support this change. In fact, we quite like the idea of taking time to look after our kit so that it lasts a long time. 
We are committed to reducing the environmental impact of all our products –in fact it’s in our DNA: we can’t imagine ever doing anything else. We always review the materials we use, manufacturing methods and our own consumption of resources. We do the research, make informed decisions, and choose the best option available to us.


We use only RDS certified down; all our down is audited by a third party to ensure that it comes from birds who are not live-plucked, force-fed, or mistreated. That’s good know.

Product Care Information

You can and should wash this garment, most active outdoor folk do this once or twice a year.

Washing and re-waterproofing flushes out the dirt and oils that have accumulated so that it puffs up nicely and works better in damp conditions

Don’t panic! Down is surprisingly durable and washing is not an onerous task. You can wash it in a front loading washing machine with our detailed instructions (see the FAQs).

Size chart Down Jackets Womens
Women's down jacket sizing chart
8 10 12 14 16 18
Chest (inches) 32" 34" 36" 38" 40" 42"
Waist (inches) 25.5" 27" 29" 31" 33" 35"
Hips (inches) 35" 37" 39" 41" 43" 45"
This size chart indicates the body measurements our garments are designed to fit. Measure yourself as described below, and use the size chart to find your size.
Chest: measure around your chest at the widest part. The tape measure should pass under your arms, and be level from front to back.
Waist: measure around your waist at the narrowest part.
Hips: standing with your feet together, measure around your hips at the widest part.
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