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Skyehigh 700 Hydrophobicdown sleeping bag

3-4 season duck down sleeping bag weighing less than 1300 g; an all-season all-rounder with 650 IDFB fill power down and a limit of -8ºC.

Skyehigh 700 Hydrophobic Down Sleeping bag

Skyehigh 700 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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SkyeHigh is the workhorse of our sleeping bag range. It will see you comfortably through a few weeks camping and still be light enough to drag along on an extended trip. New for 2017 is Nikwax Hydrophobic down, certified by the RDS to ensure the SH700 continues to set the standard high.

High fill power down in a comfortably spacious design makes the SkyeHigh our most versatile bag. The 700 g of 650 IDFB fill power 90/10 Chinese duck down means that SkyeHigh 700 will keep you warm and keep the bag light. 

The excellent compressibility of this down means you can squash the SkyeHigh to fit in your rucksack. Box wall baffle construction gives SkyeHigh 700 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.

Now imagine you are trudging up a relentless incline, perhaps Mt. Kilimanjaro, the views are stunning. Perhaps there is a giraffe in the distance grazing on an acacia tree. You know the temp will drop when the sun goes down and you can’t help but grin contentedly (smugly) knowing that your SkyeHigh will keep you cosy and comfortable all night long!

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*
-2˚C -8˚C -26˚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: 700 g
Inner: 20D Nylon
Outer: 20D Ripstop nylon
Construction: Box-wall


Weight: 1140 g
​Internal length: 185 cm
​Internal width: 64 cm
Zip length: 170 cm
Compression bag weight: 110 g
Packed size: ⌀ 24 x 35 cm
Compressed size: ⌀ 41 x 19 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: United Kingdom

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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5 Reviews


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Top kit

Great bit of kit. I needed a new sleeping bag before tripping up to Scotland and plumped for this as my last AK down sleeping bag was excellent (but finally gave up the ghost after too many years of abuse). It also packs down really well - not the smallest bag ever but certainly a long way from the largest. The large bag to avoid storing in compression for long periods is also a nice touch.

In base layers and a bivi bag, this gave me a comfortable night in a snowhole on the Creag Meagaidh circuit.

My only criticism is the lack of a pull tag on the zips, but I thought this might be the case and put a set of AK Zip Grips in the order, so it's now rectified.

As with all AK stuff, highly recommended.


Used it this week for my ML assessment and it kept me toasty warm.
The lofting bag it comes with is a great idea, and compresses down nice and small, for the temperature rating. (probably a third bigger than my 2 season bag)
The inside is so soft as well!! some bags you get into and theyre cold and hard material. this was lovely.

simple but oh so effective

Great bag!

Cant really fault my skyehigh 700. Used on several trips including a 9 day motorbike trip to switzerland. Super warm sometimes too hot! I cant wait to try it in the winter and see how well it does. There was one issue with the down not being treated right, which alpkit acknowledge and offered either a gift voucher or a return of the product. I love my bag so much i went for the gift voucher, and was super impressed with alpkits honesty. Great company, Great bag!

Excellent sleeping bag but smells

First of all the SH700 keeps you comfortable and warm even at temperatures near or below zero. And I for this price I didn't find anything comparable. But even after airing several days in the bright sun this sleeping bag stinks like thousand ducks. Hopefully this will end someday.
And which freak has selected this signal red colour ? If you plan open air camping to observe wildlife, forget it. Every animal will see you with your bright red bag and will flee long before you can take notice of it. Only for the Grizzly you will be attractive, because you are a big strawberry.


2 short for the average tall person. stay away


Alpkit Response - Our standard length sleeping bags are suitable for people up to 6’1”. We make a range of longer sleeping bags for people up to 6’7”