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Firn [Womens]

Lightweight micro baffle down jacket

£69.99 £119.99

Lightweight 550 fill power duck down micro 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 

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  • Steel
  • 8
  • 10
  • 12
  • 14
  • 16

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Firn is 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... Read more

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.

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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  C6 DWR 

Care & Environmental Advice

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).

Environmental considerations

The chemical finish that keeps water beading off your jacket has changed. _x000B_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. _x000B_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. _x000B_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. _x000B_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. 

Size Guide
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"
Chest (cms) 81 86 91 97 102 107
Waist (cms) 65 69 74 79 84 89
Hips (cms) 89 94 99 104 109 114
EU 36 38 40 42 44 46
USA 4 6 8 10 12 14
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.

The Details

Firn in action