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Jerry Gore will attempt to become the first Briton with diabetes to climb the Savage Mountain. And he’ll be wearing a PHD Double Down Suit.
Alpine Ultra Down Jacket
The best down jacket in the world for light and fast. Jon Griffith.
The PHD Sizing Chart below is based on measurements without clothing, exactly the way you would buy a shirt or a sweater. A 42" (107cm) chest means that your bare chest uninflated measures 42". Inside Arm is measured from armpit to wrist-bone.
Once you've selected a Body Width you can choose Body Length and Arm Length up to two sizes bigger or smaller. For example, a jacket with a medium (M) Body Width can be XS, S, M, L, or XL in Body Length and XS, S, M, L, or XL in Arm Length. If you have any questions about your size, please contact us.
N.B. PHD clothing is unisex.
*Please note: We make our stuff sacs big enough to allow fairly easy stuffing rather than reducing the jacket to the tightest minimum.
Facing an early morning start, a cold wind high up, even an unexpected bivvy. Whenever you're going to need extra warmth on your peak, it doesn't come much lighter than the Alpine Ultra. It's lighter than fleece, much warmer, packs a lot smaller and has a 100% windproof outer too.
Super-light fabrics and our exceptional 950 down provide the superb warmth/weight performance. Chest pockets and a large (optional) hood allow harness and helmet use. A fleece collar? That's in there too.
Note: The optional hood needs to be ordered at the same time as the jacket.
Ripstop nylon with an ultralight coating: achieves total windblock, along with high breathability and superior water resistance. Superbly efficient for a very light overall fabric weight.
A mini-ripstop nylon with excellent tear strength, MX is the pick of the superfine 15 denier downproof materials. We have tested lighter fabrics, but most have had significant drawbacks, while our confidence in MX is based on several years of extensive use in both our ultralight and our high mountain gear.
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.
"Alpine Ultra jacket was definitely the "go to" piece of kit for the whole expedition. Quick on, quick off, stuff it in the pack, clip it to an anchor whilst you sort gear. Drishell is durable enough for arm rappels on fixed ropes and definitely proofed enough for high mountain conditions." — Ben Kane
"Packs to nothing." — Petesy (a.k.a. Peter Macfarlane).
"It's the perfect alpine downie - 330g and rated to -10 degrees - it blows the competition out of the water. Whilst the weight is awesome, you also get a tiny packed size out of it meaning that your down jacket won't eat up half your backpack space so you can go with a small backpack (20L) and keep a light and fast rhythm to your climbing." — Jon Griffith.
"I used the Alpine Ultra Jacket as a belay jacket and emergency outer layer in the Indian Himalaya - I found it to be excellent. It's lighter and packs down smaller than any comparable jacket, and its warmth to weight ratio is second to none. There is no other jacket that I would've preferred to have with me." — Virgil Scott - Imperial College Reru Valley Expedition (Zanskar Himalaya, India).
"Thank you for the fantastic equipment. Everything (including the Alpine Ultra Jacket) was above and beyond what was required and fended off the elements perfectly." — Graham B., on a trip to Aconcagua.
Optimised layering: maximum versatility; minimum weight.
Choose from a huge range of size, fabric & zip options…or take it a step further with our Design Your Own service
Your clothing needs to fit you. Choose any PHD garment, dial in your sizing, and we’ll do the rest.