Naturehike Arctic Alpine Down Sleeping Bag — 850FP Goose, 1,000 g / 1,300 g Fill, Comfort −17 / −23°C

Naturehike Arctic Alpine Down Sleeping Bag — 850FP White Goose Down, 1,000 / 1,300 g Fill, Comfort −17 / −23°C

ARCTIC-17
$449.00 AUD
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Naturehike Arctic Alpine Down Sleeping Bag — 850FP Goose, 1,000 g / 1,300 g Fill, Comfort −17 / −23°C
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  • Naturehike Arctic Alpine Down Sleeping Bag — 850FP Goose, 1,000 g / 1,300 g Fill, Comfort −17 / −23°C
  • Naturehike Arctic Alpine Down Sleeping Bag — 850FP Goose, 1,000 g / 1,300 g Fill, Comfort −17 / −23°C
  • Naturehike Arctic Alpine Down Sleeping Bag — 850FP Goose, 1,000 g / 1,300 g Fill, Comfort −17 / −23°C
  • Naturehike Arctic Alpine Down Sleeping Bag — 850FP Goose, 1,000 g / 1,300 g Fill, Comfort −17 / −23°C
  • Naturehike Arctic Alpine Down Sleeping Bag — 850FP Goose, 1,000 g / 1,300 g Fill, Comfort −17 / −23°C
  • Naturehike Arctic Alpine Down Sleeping Bag — 850FP Goose, 1,000 g / 1,300 g Fill, Comfort −17 / −23°C
Naturehike Arctic Alpine Down Sleeping Bag — 850FP White Goose Down, 1,000 / 1,300 g Fill, Comfort −17 / −23°C

Naturehike Arctic Alpine Down Sleeping Bag 850FP White Goose Down, 1,000 / 1,300 g Fill, Comfort −17 / −23°C

Expedition warmth: 850FP goose down, 1,000 g or 1,300 g of it.

$449.00 AUD
Down
1,000–1,300 g
Fill power
850
Comfort
−17 / −23°C
Full specification
Model
  • Free shipping Australia-wide: 1–3 business days to dispatch, then 10–20 business days on the way. Worth the wait, but order a month before your trip. Shipping
  • 30-day returns. We pay the postage if it's faulty or not as described. Returns
  • Every figure on this page is the maker's own, and labelled as such.

The Arctic Alpine is Naturehike's expedition bag: 95% white goose down at 850 fill power, in a 20D 4000T nylon shell with a YKK two-way zip, 200 × 75 cm.

Two warmths: the Arctic-17 (1,000 g of down, 1,680 g, comfort −17°C) and the Arctic-23 (1,300 g, 2,050 g, comfort −23°C). These are Naturehike's own ratings, not a lab test.

For the coldest night you'll plan for.

Best for
Snow camping, ski touring, New Zealand's alpine winters, and trips to real cold.
Think twice if
It's heavy and bulky next to our Black Ice bags: 1,680 g and a 23 × 42 cm stuff sack. For an Australian winter below the snowline, a Z1000 or G1000 is enough.

  • 850FP, 95% goose down

    The highest fill power we sell.

  • Two warmths

    Arctic-17: 1,000 g, comfort −17°C. Arctic-23: 1,300 g, comfort −23°C.

  • Built against wind

    Side walls, a vertical lining and a draft strip behind the YKK two-way zip.

Warm enough for your trip?

Plan on the “warm to” figure: the maker's comfort rating or, where their labels are unclear, the safest of their figures. If you sleep cold, or you're not sure, add 5°C. And if you're torn between two bags, take the warmer one: a bag that's too warm, you unzip; one that's too cold, you can't fix at 2 am.

Compare it with every bag we sell
  • Arctic-17 Comfortable to about −17°C If you sleep cold, about −12°C
  • Arctic-23 Comfortable to about −23°C If you sleep cold, about −18°C

Is it the right bag for your trip?

Pick the coldest night you expect. We'll show every bag and quilt that's warm enough, lightest first, and mark this one if it makes the cut.

How cold will your coldest night be?
  1. Wind Hard Dusk Light Warm to 10°C 190 g A$279
  2. Wind Hard Tiny Warm to 7°C 290 g A$269
  3. Wind Hard Dusk Warm to 4°C 325 g A$279
  4. Aegismax Nano 2 Warm to 5°C 350 g A$279
  5. Aegismax G1 Warm to 3°C 380 g A$299
  6. Black Ice E400 Warm to 15°C 400 g A$319
  7. Black Ice G400 Warm to 10°C 400 g A$299
  8. Black Ice Z400 Warm to 5°C 400 g A$319
  9. Naturehike ULG400 Warm to −4°C 400 g A$319
  10. Wind Hard Dusk II Warm to 1°C 436 g A$299
  11. Aegismax M3 Warm to 0°C 500 g A$319
  12. Aegismax Ultra Future I Warm to 0°C 520 g A$349
  13. Wind Hard Tiny Pro Warm to −2°C 550 g A$299
  14. Aegismax G2 Warm to −2°C 664 g A$349
  15. Black Ice E700 Warm to 7°C 700 g A$319
  16. Black Ice G700 Warm to 3°C 700 g A$349
  17. Black Ice Z700 Warm to −2°C 700 g A$349
  18. Naturehike ULG700 Warm to −10°C 700 g A$379
  19. Aegismax Ultra Future II Warm to −10°C 830 g A$349
  20. Black Ice E1000 Warm to −2°C 1,000 g A$349
  21. Black Ice G1000 Warm to −7°C 1,000 g A$479
  22. Black Ice Z1000 Warm to −11°C 1,000 g A$399
  23. Naturehike Arctic-17This bag Warm to −17°C 1,000 g A$449
  24. Naturehike ULG1000 Warm to −15°C 1,000 g A$399
  25. Naturehike Arctic-23This bag Warm to −23°C 1,300 g A$549

bags and quilts are warm enough. They're sorted lightest first, so the top one is the lightest that will do the job.

Read the full guide: trips, safety and what else to pack

  • Plan for the coldest night

    Hills, valleys and inland camps get much colder than the forecast for the nearest town. Check the overnight low for where you'll actually sleep.

  • If in doubt, go warmer

    Being too cold at night isn't just a bad night's sleep. A long, cold night in a bag that's too thin can tip into hypothermia, and there's no fixing it at 2 am.

  • The mat matters as much as the bag

    Down underneath you is crushed flat, so the ground steals your heat. Below freezing, use an insulated mat with an R-value of 4 or more.

  • Help the bag help you

    Change into dry clothes, eat something before bed, and wear a beanie. A bag holds warmth in, but it can't make it.

Which one?

ModelDownWeightComfortLimitPackedPrice
Arctic-171,000 g1,680 g−17°C−22°C23 × 42 cmA$449
Arctic-231,300 g2,050 g−23°C−30°C26 × 45 cmA$549

Weights as published by Naturehike, including packaging.

Where it sits among our 25 bags and quilts, by grams of down

Choose by your coldest night

Highlighted: Arctic-17 (1,000 g), Arctic-23 (1,300 g). The other marks are the rest of our 25 bags and quilts.

The numbers

Taken from Naturehike's own listing and spec cards for this exact model. Where the maker doesn't publish something, the line is left out rather than guessed.

1,000 g / 1,300 gDown fill
850 FPFill power
1,680 g / 2,050 gTotal weight
Down95% white goose down, 850 fill power: 1,000 g (Arctic-17), 1,300 g (Arctic-23)
Temperature (maker)Arctic-17: comfort −17°C, limit −22°C, extreme −34°C
Arctic-23: comfort −23°C, limit −30°C, extreme −43°C
Size200 × 75 cm
Shell and lining20D 4000T nylon shell; 20D 400T nylon lining
ZipYKK two-way
Construction3D baffled down channels, side walls, vertical lining, draft strip along the zip
BrandNaturehike

“Warm to” is the figure we plan on: the maker's comfort rating or, where their labels are unclear, the warmest figure they publish. Temperature ratings on this page are Naturehike's own figures, not independently lab-tested. Brands like Sea to Summit pay for an independent EN/ISO 23537 test; these makers don't publish one. So compare on fill weight and fill power first: they're physical quantities. How to read them

Complete your sleep system

A bag is half of a warm night. Here's what else makes it work, and what people usually add.

  • Naturehike Inflatable Camp Pillow — 44 × 27 cm, 85 g, Flocked Non-Slip
    Inflatable Camp Pillow

    An 85 g pillow that folds flat and stays put on your mat.

  • Naturehike Cotton Sleeping Bag Liner — Envelope, Spliceable, 75 × 210 cm or 100 × 210 cm
    Cotton Sleeping Bag Liner

    Keeps a down bag clean, and works on its own in huts and hostels.

A mat rated for the season

The ground takes more heat than the air, and down underneath you is crushed flat. As a rough guide: an R-value of about 2 for summer, 3 to 4 for three seasons, and 5 or more on snow.

A way to keep it dry

Wet down stops insulating. Pack the bag in its compression sack inside a dry bag or pack liner, and air it out when you reach camp.

Questions

Which size should I buy?
As a rule, pick a bag at least 15 cm longer than you are, so your feet don't press into the down and make a cold spot. The spec table above gives the length, or the height the maker says it fits. If you're between sizes, or like to sleep with a water bottle or clothes inside, go up.
Are the temperature ratings lab-tested?
No. Every rating on this site is the maker's own figure. Aegismax says it rates to the EN 13537 method; Black Ice and Naturehike don't say how they rate. That's why we list fill weight and fill power first: they're physical quantities you can compare between brands. Treat any temperature as a starting point and allow a margin, especially if you sleep cold.
Comfort, limit, extreme: which one do I use?
Comfort is the temperature a cold sleeper stays comfortable at; limit is where a warm sleeper, curled up, still sleeps. Extreme is survival only: never plan on it. Most people should plan on the comfort figure, and on a warmer mat than they think they need.
How do I store and wash a down bag?
Store it loose in its storage sack, not squashed in the compression sack. Wash it rarely, with a down-specific wash on a gentle cycle in a front loader, then tumble dry on low with two clean tennis balls until no clumps are left. It can take a few hours. A liner means you'll wash the bag far less often.
When will it arrive?
We dispatch in 1–3 business days, then it's 10–20 business days on the way to Australia. There's no warehouse or shopfront in between, which is why it takes longer and costs less. If you have a trip booked, order at least four weeks before you leave. You'll get a tracking number by email when the parcel is scanned. Full details on the Shipping page.
Will my order arrive in one parcel?
Usually. When you order more than one item, we ask our supply partner to pack them together. If they do ship separately, you'll get an email with a tracking number for each parcel, so nothing goes missing without you knowing.
Will I pay duty or GST on delivery?
No. Orders under A$1,000 clear into Australia without additional duty or GST, so there's nothing to pay when your parcel arrives.
What if it isn't right?
You have 30 days from delivery to return it unused and in its packaging. If it's faulty or doesn't match what we published, we pay the return postage and refund in full. See Returns.

Three numbers, in this order

Most listings lead with a temperature and a price. Those are the two least reliable numbers on the page. Read these first.

  1. 1

    Fill weight: grams of down

    How much insulation is actually in the bag. A listing that hides it is hiding the cost of the product. As a rough guide for Australia: 400–500 g is a summer-to-shoulder bag, around 700 g takes you below freezing, and 1,000 g is for snow.

  2. 2

    Fill power: 700, 800, 850

    The quality of the down: how much it lofts per gram. Higher fill power gives the same warmth for less weight and a smaller pack. It doesn't mean warmer on its own: 300 g of 800FP down is still a summer bag.

  3. 3

    Total weight and packed size

    What you actually carry. Compare it with the fill weight: a bag with 700 g of down that weighs 970 g is spending 270 g on fabric and zips, which is about right for a 10D shell.

Temperature ratings come last, and only once you know who measured them. EN/ISO 23537 means an independent lab test. Every rating in this shop is the maker's own: Aegismax says it follows the EN 13537 method, and Black Ice and Naturehike don't say. The FAQ has the long version.

More from this shelf

  • Free shipping Australia-wideThe price on the tag is the price you pay. No duty or GST on delivery under A$1,000.
  • Every number publishedFill weight, fill power and weight on every bag, and a note wherever the maker's figures are unclear.
  • 30-day returnsUnused and in its packaging. We pay the postage if anything is faulty or not as described.
  • Replies within 24 hoursEmail us Monday to Friday and a person answers, not a bot or a call centre.