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SkyeHigh 900 Hydrophobicdown sleeping bag

4 season duck down sleeping bag weighing under 1500 g; a -13ºC limit make Skyehigh ideal for Scottish winters, Kilimanjaro or Everest Base Camp trek

SkyeHigh 900 Hydrophobic sleeping bag

SkyeHigh 900 Hydrophobic down sleeping bag

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1. Colour

Colour swatches are not always representative of the actual product. Please see product photographs for a more accurate impression.


2. Zip

Most right-handers prefer left zip bags as it's easier to reach across your body to your left side to use the zip when lying on your back. The opposite is true if you are left-handed.

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High fill power and 900 g of duck down make SkyeHigh 900 our most versatile and comfortable winter bag. New for 2017 is Nikwax Hydrophobic down, certified by the RDS to ensure the SH900 continues to set the standard high.

SkyeHigh 900 will keep you warm in a mild alpine or Scottish winter and still be lightweight enough to carry up that mountain. 900 g of 90/10 duck down with a super-toasty 650 IDFB fill power.

High quality down and high fill power gives SkyeHigh 900 great lofting ability and equally great compression capacity. SkyeHigh can be squashed to fit in a limited space and fluffed up for uber-warmth. Box wall baffle construction gives SkyeHigh 900 increased thermal insulation. Trapezoid side baffles eliminates potential heat loss and prevents down migrating from front to back - something to do with heading south for warmer climes.

SkyeHigh 900 is perfect for that chilly March night, the kind where you find yourself in the Swiss alps- inexplicably camping midway up Oberrothorn so that you can awaken to a sensational sunrise. Your sleeping bag needs to keep you cosy through that wintery night, but needs to be light enough to take up those gnarly alpine routes the following day.

Stays dry and retains loft up to 60 times longer than untreated down. It’s water based formulation is PFC-free and will not harm you or the environment. Absorbs 90% less water than untreated down, restoring performance much quicker.

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
  • Adjustable head closure and draft collar
  • Internal pocket for valuables
  • Excellent lofting capacity
  • Horizontal box wall baffles, trapezoid side baffles
  • RDS certified: All of our down is ethically sourced, not live-plucked and not force fed
  • YKK zips and grosgrain anti-snag zip guard
  • C6 DWR coating to shed morning drips
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Vital stats
Temperature rating


AK Sleep Limit
The majority of our customers will find this to be the tipping point between a comfortable and restless nights sleep.

Thermal test results from the lab ABOUT OUR RESULTS
TOG Leeds Comfort EN13537 Comfort EN13537 Limit EN13537 Extreme*
-6˚C -13˚C -30˚C

* The Extreme rating is the temperature at which the average woman can remain for six hours without risk of DEATH from hypothermia - but can still sustain cold injuries - under EN13537 conditions. We do not recommend using this bag in these weather conditions, or making your purchasing decision based on this value.


Fill: 90/10 Chinese duck down; RDS certified, Nikwax Hydrophobic
Fill power: IDFB 650
Fill weight: 900 g
Inner: 20D nylon
Outer: 20D Ripstop nylon
Construction: Box-wall


Weight: 1420 g
​Internal length: 185 cm
​Internal width: 64 cm
Zip length: 170 cm
Compression bag weight: 120 g
Packed size: ⌀ 22 x 37 cm
Compressed size: ⌀ 22 x 22 cm

Fitting guidance

How will you fit? Our guide is based on the user wearing thin base layers.

Spacious: 5ft3 tall or you have a shoulder circumference of around 100 cm. The bag will be perfectly useable but you will have space within the bag. For this reason it will not be as thermally efficient as an optimum fit but it will be comfortable and you will easily be able to wear extra layers.

Optimum: 5ft11 tall or you have a shoulder circumference of around 124 cm. At this size you are the ideal candidate for this bag. You should be able to easily arrange yourself in the bag, and still have the space to wear an additional down jacket if necessary.

Tight: 6ft1 tall or you have a shoulder circumference of around 128 cm. At this size you will start to compress the down and reduce the thermal efficiency of the bag, especially in the foot section and have limited movement around your shoulders when the zip is full closed. You should still be able to take your socks off, but might struggle to take off a top layer without undoing the zip.

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.
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1 Reviews


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Great piece of kit!

I've just got back from a 2 night camp at Edale, the first time I got to try out the Skyehigh 900. Performed brilliantly, kept we warm all night and packs down easily into my 65l sack. Super cosy and loving the soft material in the inner. The only problem I had was dragging myself out of the sleeping bag in the morning, it was misty and cold on both mornings. Looking forward to some winter camps now! Highly recommended piece of kit!!