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Phantac [Womens] hydrophobic warm goose down jacket

750 fill power Nikwax Hydrophobic goose down jacket, designed to be packable, lightweight and incredibly warm for fast and light climbing and mountaineering

Alpkit Phantac insulated down jacket in steel
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  • Steel - Alpkit Phantac insulated down jacket in steel
1. Colour / Size
Fitting guide
8 10 12 14 16
8 10 12 14 16

Please choose an option above

If you’re going the distance with that Alpine start, you may as well be wearing a jacket designed to go the distance. Especially if that jacket is as lightweight, packable, and warm as the Phantac is.  

Phantac’s warmth to weight ratio and pack-size is unparalleled in our range, making it ideal for fast and light alpine adventures when the temperatures are dipping below zero.  

The lightweight, water resistant and durable shell fabric is filled with 750 fill power Nikwax Hydrophobic goose down. This high-quality down permits us to use less fill without sacrificing warmth, for a lightweight and super packable outer layer. 

Phantac is cut to a fast and light technical alpine style, tailored for active use. Articulated arms, with vertical baffles on the elbows and shoulder, give freedom of movement; a 2 way zip permits a harness underneath.  

High external pockets make your stuff easily accessible and 2 large internal pockets are ideal for stashing gloves. A drawcord hem and elasticated wrists minimise heat loss, and the soft-touch lining adds comfort for day-to-day use. 


Nikwax Hydrophobic is a water repellent treatment that makes down less susceptible to humid conditions, staying lofted for longer and prolonging the overall lifespan of your down.


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.

Key features
  • 3 Year Alpine Bond
  • Goose down insulated jacket for fast and light alpinism
  • Articulated arms cut for movement
  • Lightweight and durable shell fabric
  • Helmet compatible hood with volume adjuster and elasticated front adjustment tucked away inside chest pockets
  • Insulated zip baffle reinforced for zip protection and chin protector
  • Internal breast pocket for keeping gadgets warm
  • 2 large external chest pockets; large internal mesh glove pockets
  • Internal attachment loop for keyring or gloves
  • Internally elasticated cuffs don’t absorb moisture
  • Nikwax Hydrophobic down
  • RDS certified down
  • C6 DWR coating helps to prevent dirt and moisture absorption
More images
  • Detail-phantac-womens-01 -
  • Womens-phantac-1 - Hati making use of that inside pocket to keep her shoes nice and toasty
  • Womens-phantac-3 - Phantac's helmet-compatible hood can be cinched down to keep the warm in
  • Womens-phantac-4 - A drawcord adjustor on the hem also keeps out the draughts
  • Womens-phantac-5 - The zip pockets are an ideal spot for some hand warming between attempts
  • Womens-phantac-6 -
  • Phantac-alps-1 -
  • Phantac-alps-2 -
  • Phantac-alps-3 -
Vital stats

Fill: 90/10 European goose down; RDS certified, Nikwax Hydrophobic
Fill power: IDFB 750
Outer: 15d 100% nylon ripstop (300 mm HH), 35 gsm
Inner: 20d, 45gsm 100% polyester ripstop
Construction: Stitch-thru

Weight: Total / Fill

8: 465 / 173 g
10: 495 / 186 g
12: 520 / 200 g
14: 535 / 215 g

Origin: China

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 these instructions…

Size chart
Women's sizing
8 10 12 14 16
Chest (inches) 32" 34" 36" 38" 40
Waist (inches) 25.5" 27" 29" 31" 33"
Hips (inches) 35" 37" 39" 41" 43"
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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Free UK Shipping on all orders

Free 2 day delivery to UK addresses is included in all orders so the price you see is the price you pay. Upgrade to next day at the checkout.

Free No hassle 123 Day Returns

Buy with confidence and if you are not happy, change your mind or want a swap for any reason then return it for free and we will exchange or refund no question. The price you see is the price you pay. Just return the kit as you receive it - in its original condition, unused, unworn, with original packaging and fit for resale.


We offer a range of finance options from 0% to 9.9% starting on orders over £500. Please give us a call on 01773 417007 to apply for finance. Our customer support heros will take your order and talk you through the quick and easy application process.

Alpine Bond

If one of our products does not meet your expectations upon delivery or, if it does not live up to the demands placed upon it, please return it within 3 years of purchase for repair, replacement or refund. If the problem is our fault then we will do this to your satisfaction if it’s your fault then we will help out the best we can.

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