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Phantac [Mens]hydrophobic warm goose down jacket

Technical hydrophobic down jacket with 750 fill power goose down; made for mountaineering, climbing and when you just need to shut out the cold.

Phantac Mens Hydrophobic goose down jacket
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Phantac [Mens] hydrophobic warm goose down jacket

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£159.00 Was: £195.00


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  • Steel - Phantac Mens Hydrophobic goose down jacket
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Fitting guide

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You’re strutting through the mountains, a blizzard brewing above, animals scurry away for cover. But you are shielded from cold by Phantac

Phantac is our most technical down jacket, constructed with a durable and water resistant outer fabric to protect from abrasion and improve performance. The hood fits over a helmet and can be cinched down to keep the warmth in. A drawcord hem and elasticated wrists ensure minimal heat loss and the soft touch lining fabric will keep you feeling snug as a bug in a rug in the bitterest of conditions.

Lightweight fabric and the compressibility of down gives Phantac a small pack size. High pockets provide easy access to your stuff when wearing a harness and two large internal pockets are great for drying your gloves.


Stays dry and retains loft up to 60 times longer than untreated down, absorbing 90% less water and restoring performance way quicker. Plus, its water based formulation is PFC-free and will not harm you or the environment - huzzah!


The down we use is certified RDS (Responsible Down Standard). This mark indicates that the down in this product does not come from birds that have been live-plucked or force-fed, and that their welfare has been protected from the time they were hatchlings to when they are slaughtered. That’s good to know.

Key features
  • 3 Year Alpine Bond
  • Articulated arms cut for movement
  • 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
  • 2 large external chest pockets; large internal mesh glove pockets
  • Internal attachment loop for keyring or gloves
  • Internal breast pocket for keeping gadgets warm
  • Internally elasticated cuffs don’t absorb moisture
  • Nikwax Hydrophobic fluorocarbon free down
  • RDS certified down
  • C6 DWR coating helps to prevent dirt and moisture absorption
More images
Vital stats

Fill: 90/10 European goose down; RDS certified, Nikwax Hydrophobic
Fill power: IDFB 750
Inner: 20d, 45gsm 100% polyester ripstop
Outer: 15d100% nylon ripstop (300 mm HH), 35 gsm
Construction: Stitch-thru


Weight: Total / Fill
S: 505 g / 200 g
M: 550 g / 218 g
L: 565 g / 225 g
XL: 580 g / 238 g

Origin: China

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.
Mens sizing
Chest (inches) 37" 40" 43" 46" 49"
Waist (inches) 30" 32" 34" 36" 38"

These size charts show the body measurements that an Alpkit garment of a given size is designed to fit. They are not actual garment measurements. 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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13 Reviews


Used this product?

Write a review
great jacket

really pleased with this , very well made has a quality feel about it , well designed , nice length arms for reaching , hood adjustment from inside the pockets is a great touch , would buy again , and highly recommend

Excellent jacket

Only heard of Alpkit recently. Bought the Phantac and was so pleased with the quality and customer service I bought a Filo 2016 as an everyday jacket. Great company to deal with.

Great Coat!

Very well designed jacket. Outer fabric seems much more durable than other insulated jackets I've owned and tried. Tried tnf, rab, me, etc. None the design features of this! It's very warm as you'd expect, and the cut allows unrestricted movement. I'm 6'2" 15 stone and the xl fits perfectly.
My third alpkit product and still extremely impressed with products and service!

Heath wilson

Absolutely love this product. Very warm very windproof. But if I don't get up earlier enough the wife has it on!!

Great Winter Jacket

The Phantac was my first Alpkit purchase, and I'm hooked! Well made, a good fit, and doesn't moult feathers everywhere like others before it. Long sleeves and chest pockets have been brilliant at keeping my normally-cold hands extra warm.

Due to a change in circumstances it's ended up being worn more and more around the freezing city over winter than out on the mountains, but I really can't praise it enough in the urban environment and general travel.

And combined with the Mamalute, nothing's kept me warmer!

Great coat for value !

Best coat I've ever had, used with -2ºC and light wind and rain.

- Light, really very very light.
- Forearm enforcement is amazing.
- Smooth texture.
- Excellent protection against cold but it's not excessively warm, you get a stable confort temperature.

- Waist elastic band gets relaxed once you start walking but is the same for all the brands, I dindn't find a reliable mechanism to get the band tied to you waist.
- Better if the coat would be a little large at Kidney's area.
- Few plumes in shoulder's area.
- No close mechanism for wrists.

In love with this coat, I use it every day. I'm going to buy a Definition for rainy days.

Although this is the first time I buy this brand, it has become my new favourite.

So good I bought two!

My wife kept stealing mine so I had to buy her one too (I bought her a men's as the women's range wasn't out then).

This is my go to jacket for warmth. I've used it fo everything from going for a walk in the park with the kids to wild camping in Torridon. This is an awesome jacket.

The daddy of down jackets

This jacket is brilliant. From cold belays to hanging out on the mountains, it performs really well. The fit is on the slim side as like it, though roomier than the very first version. I think beats most competitors by a mile, at a fraction os the prize

Phantac Jacket

I purchased this jacket on release, and have subsequently used it on every trip I have been on since. Whether camping at 4000m plus in the Ruwenzori Mountains or packrafting in Finland or walking the West Highland Way, the Phantac has kept me nice and toasty. The inside mesh pockets are handy; I use them to keep camera batteries warm or even dry socks between the down and a mid-layer.
The jacket is a nice fit with comfortable movement throughout, I wear a medium at 5'10'' and 80kgs.
For cleaning....well I haven't apart form using a damp cloth to wipe it occasionally and just keep it aired and hung up not stuffed.
A very good jacket at a very competitive price point.

Good could be better

Great fitting jacket, like the long sleeves that can drop down over your hands when not wearing gloves. Lovely and warm and so far seems durable. Would have liked to see it come with a stuff sack and the chest pocket on the outside so you don't have zip the jacket down to get to my phone!

Ryan L
Very warm

Bought this for a winter trip to Scotland. It's well designed, light and very warm the arms are a good length and the cuffs work well. My only concern is that it's a little short and at 6'4 my stomach is sometimes a little drafty. Other than that you cannot fault this jacket

Personal experience of the Phantac

I have been purchasing a lot of Alpkit products recently because I find that the quality of this brand is good in relation to the price. My latest purchase is the Phantac jacket. This is a great jacket for it's price and has a good insulation to weight ratio. Up to now, I have only had the opportunity to test it in temperatures down to about 7 degrees C in a strong wind. It is resistant to wind chill and seems snug and warm wearing nothing underneath at this temperature and I would give it a 4 star rating. Why? Well, I can't give it a 5 star rating because this would imply that this jacket is as good as it can get, but it's not. There should be more insulation in the shoulder area because the weight of the jacket is suspended here and this compresses the down in this area and I can feel a bit of chill here over time. As long as you can keep this jacket perfectly dry it works alright but the shell fails miserably in even a bit of rain and heaven help you if you are up a mountain and faced with a combination of sleet and freezing rain which can often happen this time of year. The shell of this jacket is very breathable and will shrug off a few drops of rain. However, the problem with breathable material is that it only works if you don't apply mechanical activity to it when it is wet. By this I mean slight rubbing such as will happen if you are wearing a back pack or if you touch the shell when wet, or just rubbing your arms against your body when wet. This will draw water through in no time. It is like an umbrella. You can have it rain on the top of the umbrella for ages but the inside will remain dry. But if you touch the inside with your finger and slightly rub it, you finger gets wet because mechanical action draws the water through. This is what happens with this jacket if exposed to just a bit of rain and despite the hydrophobic down, the loft just collapses. So using a more water resistant shell would help no end. I would also prefer if this jacket had an equal weight of one hundred percent 850+ fill power down instead of the 750. Other manufacturers also use metalized reflective material inside the jacket to reflect radiant heat. This jacket is fine if you are standing up in it. But if you are hit with seriously bad weather and you want to use it in your sleeping bag, the toggle for adjusting the hood is going to dig into your head as it is situated at the back of the hood. I also find that this jacket has a broad comfort range. That is the range of temperatures where you are neither too hot nor too cold and I personally find it comfortable in a temperature as high as 15 degrees C, without much physical activity. So, it's a fine jacket for the price but there is room for loads of improvement. My tests will be ongoing when I get some colder weather.

Phantac in colder weather.

Now that the temperature in my location has dropped a bit I've had a better opportunity to test it's thermal characteristics. My tests have been in a range of temperatures from about +5C to -3C with a slight wind and at a humidity level of 73%. I have tested it in a relaxed position while sitting in a deck chair in a temperature of about +5C to +4C. To do this I lined the back of the chair with a fleece towel. This is because down has two drawbacks. It's not good with water and it's also not very good when compressed so the fleece towel compensated for this. I could sit out in this temperature for at least an hour in this jacket without feeling the chill. I wore nothing under the jacket but had a base layer and trousers for my legs, gloves for my hands and I had the hood up. I think I could have sat out there for two or three hours without it bothering me too much. I have also tested this jacket sleeping but the results were rather different. To do this I used the jacket with nothing underneath as before. I used a thermal matt for laying on and a sleeping bag pulled only up to my waist. As my metabolism dropped I got cold and could not sleep so I kept adding fleeces under the jacket until I could sleep and ended up wearing the phantac, a base layer and a fleece mid layer and slept quite comfortably. This jacket is quite warm wearing nothing underneath when strolling around at +4C but at Zero degrees C to about -2C I find that I am cold unless I wear a fleece underneath the jacket. A base layer is just about tolerable but I removed the base layer and tried again using a standard hoodie and I was quite comfortable at that. I use a Medium and I have plenty of options to add more thermal layers if needed without compressing the down. The shell is soft and silky to the touch and the polyester liner is an absolute dream. Wind resistance is good but personally I'm not sure that this jacket would quite cut it below -8C up a mountain. I find that if compressed while leaning against a wall etc, the down in this jacket retains it's loft a bit slow and awkwardly. At lower temperatures the stitch through construction becomes noticeable because there is no loft where the material is clinched. This amounts to a lot of cold zones over the jacket but I find that a fleece or two under the jacket soon alleviates this. Also this jacket would probably do better in a drier environment but I like the low weight and thermal resistance of down so will try and combine it with the Balance waterproof jacket. I'm hoping this will give me the best of both worlds: The lightweight thermal superiority of down and the water resistance of synthetic.