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Hispar 1200 Down Sleeping Bag: K Series
I made history by becoming the first British woman to have climbed more than 4 8000m peaks. The Hispar 1200 sleeping bag I used on the expedition was totally amazing.
The measurements in the Sleeping Bag Chart below are personal body measurements.
†Please note: We make our stuff sacs big enough to allow fairly easy stuffing rather than reducing the bags to the tightest minimum.
‡Please note: The optional HS2 outer is a complete extra outer shell, with seams taped for weatherproofness. The extra layer of fabric adds considerably to the weight and bulk of the basic bag. It increases the weatherproof qualities of the bag in mountain or Arctic situations, but it is not a substitute for a proper bivvy bag when sleeping out in the rain.
*Please note: For all length or width options, we change the amount of downfill to keep the warmth (TOT) the same.
This K Series product has been created for one single reason, to take warmth-for-weight performance to the limit of what's possible. Unique 1000 down, super-light materials, and specific design features mean that the word Ultralight now applies to this wide range of gear that will take you to the Poles as well as on a Sahara Marathon. More on the K Series...
Ultralights for the mountains is what we have always called Hispar sleeping bags and even with the new K Series versions it's hard to find a better way to describe them. Perhaps 'Ultralightest' would be closer if it wasn't such an awful word.
The combination of this bag's design with the superlative quality of our 1000 down and our new fabrics, Ultrashell and 10X, almost send the Hispar K range off the scale for warmth/weight performance.
The weights of the Hispar K bags are graphic evidence of the effectiveness of this specific design. With the added performance of our 1000 down these bags deliver the greatest possible warmth per gram.
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.
10X, PHD's first 10 Denier Fabric. 9,000 metres of the yarn used to weave 10X weighs just 10g, that's about the same as a £1 coin! For all its thinness 10X is amazingly downproof and with reasonable care will go on giving you good service for years.
This rarest of all downs we reserve for the K Series. European goose down of unique quality. 1000 provides the highest warmth-for-weight performance possible from down. More on our down insulation.
Proofed fabric (Drishell or Ultrashell) panels are included inside the hood and foot areas of the bag to help keep the down dry. In very cold temperatures your breath can cause ice to form around the face opening, which may soak into the down as it melts. The panels at the foot end are to protect the down if you get into your bag with wet socks (or in extreme situations with your boots on).
HS2 is PHD's high-spec 2-layer ripstop for waterproof outers on our down. It is light enough to be the optional taped shell on our sleeping bags and tough enough for expedition use in our Omega clothing. HS2 is completely waterproof (when the seams are taped) and offers excellent breathability.
"I made history by becoming the first British woman to have climbed more than 4 8000m peaks. The Hispar 1200 sleeping bag I used on the expedition was totally amazing and so, so warm it is unbelievable. At camp 4 (albeit in my down suit) I had to wriggle out as I got a little too warm. Weight wise it was unnoticeable when carrying."
— Adele Pennington.
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