Xero Down Jacket

High-altitude expedition jacket. Light enough for the ascent, warm enough for when the mercury freezes. Now also available in custom sizes.
Typical Operating Temperature
Guideline minimum temperature. Sleeping Bag TOT: you should get a night’s sleep, under normal circumstances. Clothing TOT: you should feel warm enough, assuming low/moderate activity. Sleep System TOT: relates to full system. For more details, see our Technical Briefing.
-40°C / -40°F
For clothing, weight is for size: M. For sleeping bags, weight changes with selected length/width. N.B. there may be some variation in the weights of finished products.
1250g / 44oz
Xero Down Jacket

Peter Hutchinson makes probably the best down gear in the world and his Xero jacket has kept me happy (well as much as you can expect to be) deep into the minus 40 degrees.
Nick Lewis, Climb Magazine.



  • Exceptional 900 fillpower European Goose down
  • Water-resistant Ultrashell outer fabric
  • Superlight MX inner fabric. Black for quick drying
  • Box-wall construction for maximum loft
  • Differential Cut allowing full down loft
  • Shoulder and top arm reinforced with waterproof HS2 fabric
  • Pockets:
    • 2 handwarmer pockets
    • 2 inner water-bottle pockets with elasticated entry
  • Front closure:
    • 2 way zip
    • Protected by double baffle with intermittment velcro
  • Hood:
    • Large size with rear volume reducers
    • Fleece-lined collar
    • Elastic face cord with cord end channels
    • Adjustable front velcro closure
    • Zip-on
  • Arms - both layers articulated
  • Elasticated waist and elasticated inner back for snug fit
  • Cuffs: velcro closure
  • Reflector tape on pockets and back of hood for night searches
  • Beard flap
  • Mitt attachments at chest
  • Stuff sac
  • Pack size: 20 x 34cm* 
  • Options:
    • Sewn on hood

*Please note: We make our stuff sacs big enough to allow fairly easy stuffing rather than reducing the jacket to the tightest minimum.


Also available in custom sizes. We make clothing to order, so if you’re not a standard size we can make it to fit. To order a non-standard custom size, select the Custom Sizing tab, choose your body width, and then the body/arm lengths, shorter or longer, that work for you. A custom size takes us a little longer (typically two weeks longer) to make and, because it’s personalized, it’s non-returnable and our customer loyalty scheme can’t be applied.

With box-walls, expedition-style pockets inside and out, a voluminous hood and many other features, the Xero Down Jacket has full expedition capability at minimal weight and packed size. Designed to provide exactly what is required on rapid high altitude ascents or lightweight arctic travel for expeditions. Suitable for those who are opting for the versatility of separate down garments over one piece suits. Insulation level is similar to the Xero Down Suit.

1000 down option

Now available with our unique 1000 fillpower down as a 'K Series' product.

As used by Nick Lewis, Rosie Stancer, the EverestMax team, Aberdeen Mountain Rescue, and many others.

Ultrashell (weight: 40 gsm)

One of the lightest of PHD's coated materials. This ripstop nylon provides complete wind block and good water resistance at minimal weight. Ultrashell gives an excellent upgrade to performance with very little weight penalty.

950 fillpower down

A newcomer to our range. European goose of rare quality. A high value alternative at the top levels of performance. More on our down insulation.

900 Fillpower Down

European goose down of very high quality. A truly excellent down with large clusters, consistent quality and lively long-term performance. More on our down insulation.

Waterproof HS2 outer fabric (weight: 88 gsm)

HS2 is a 2-layer laminate, a high-spec option for the outer layer of our insulated gear. This ripstop fabric strikes an excellent balance between lightness and durability. It is light enough for our Belay tops and tough enough for expedition use in our Omega clothing, while the Kappa clothing makes full use of both its qualities. HS2 is completely waterproof (when the seams are taped) and offers excellent breathability. (Weight: 88gsm).

"Peter Hutchinson makes probably the best down gear in the world and his Xero jacket has kept me happy (well as much as you can expect to be) deep into the minus 40 degrees."
Nick Lewis, Climb Magazine.

"My Xero Jacket was back out in force this summer on two trips to Mt Elbrus. It performed superbly and kept me toasty warm despite the conditions."
Adele Pennington.

"Just a quick note to thank you for the timely supply of the PHD down gear before my Mt Vinson trip. The gear was absolutely first class. I used the Xero 900 down jacket on our summit day which was -26C with a 30-40 knot wind and they were faultless."
Mark Dixon.

"I've just returned from Vinson in Antarctica where your Xero down jacket made life a breeze."
Lord Forsyth, former Secretary of State for Scotland.

"Just a quick note to let you know that ALL 5 members of our team reached the Summit of Cho Oyo (8201m). Another member of the team wore [your] Xero Down Jacket and ... was comfortable and impressed. Thanks for the great gear."
'Lanx', Equipment buyer, UK Reserve Forces Seven Summits team.

"The Xero jacket was perfect for summit day where we had a combination of -25C and 20 knot winds and the thigh-length design meant that I never needed to wear the Xero trousers. It is the best down jacket I've ever used."
Nick Lewis, Antarctic Logistics and Expeditions.

"Just to let you know I have recently returned from the North Pole Marathon, and the Geographical North Pole 90n and the PHD jacket and salopettes performed very well, in temperatures down to -41°C, -55°C with windchill."
Simon Cain

"Very happy to report that the Xero Jacket performed fantastically and kept us warm and safe especially during summit day where temperatures dropped below -30 deg C."
Robert Gatt, Challenge8000, on Cho Oyu.

"Just a short note to thank you for making my Xero down jacket in super quick time. I am over the moon with it. What a pleasure to buy from committed experts. Never again the usual naff US brands where everyone knows they are made to far eastern specifications, in other words as cheaply as possible. I am still grinning."

"Many thanks for the Xero Jacket for Cho Oyu which worked very well."

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