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Cumulus Teneqa 850 (Large)


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The Cumulus Teneqa 850 Large is a longer version of the revolutionary advanced, lightweight winter down sleeping bag, weighing in at only 1330g. 

Filled with 850g of the highest quality, sustainably sourced 850 cuin Polish goose down, when the Cumulus Teneqa 850 sleeping bag is laid out flat it really is an impressive beast. Combine the low weight with a Pertex Quantum outer, advanced V-chamber construction and comfort limit of -14 ˚C and you have a sleeping bag suitable for almost any cold weather pursuit where weight to warmth ratios are at a premium. 

Who are Cumulus?

Designed and built in Poland, Cumulus draw on 30 years of experience and know-how in down and textile manufacture to provide some of THE best sleeping bags on the market. At the vanguard of sleeping bag construction techniques and design innovation, Cumulus offer as many as five methods of chamber construction, each developed to offer its own unique benefits [Cumulus Down Sleeping Bag Construction article]. All bags use sustainably sourced Polish goose or duck down, high-grade face and liner fabrics from Pertex, YKK zippers and, unlike most other sleeping bag brands, are entirely constructed in the EU.

Cumulus clothing and sleeping bags hold the EDFA (European Down and Feather Association) certificate for ethical down sourcing.

Advice on Temperature Ratings

Temperature ratings are used to indicate a bags performance and help you decide between models. However, they are subjective and can be greatly affected by factors such as what you're happy to wear (clothing wise) in conjunction with the bag, your health and metabolism, how much you have had to eat or drink, humidity and altitude, the type of shelter used and whether you are using a suitable insulating mat.

As a guide, the "Comfort" rating indicates the range at which a woman gets a comfortable night’s sleep, the "Limit of Comfort" rating indicates the range at which a man gets a comfortable night’s sleep and the "Extreme" rating indicates a range at which a woman is protected from hypothermia. The Extreme rating is basically a survival rating and it is not advisable to rely on this for general use.

More Help? For further assistance on choosing your down sleeping bag, please view this article explaining fill power, the pros and cons of down over synthetic insulation and more info on caring for your bag available to view here: A Guide to Down Sleeping Bags.

Model Comparison 

This model’s closest comparison would be a Rab Neutrino 800, although of course this bag provides an extra 50g of down and is a fair bit warmer.


  • Fabric: Pertex Quantum, 35 g/m²
  • Filling: Polish goose down, 850 cuin
  • Construction: “V” chambers
  • Independently filled top and bottom of the sleeping bag
  • 175 cm YKK separating zip with two self-locking sliders
  • Can be opened and ventilated at the bottom of the sleeping bag
  • Can be combined with other sleeping bags
  • 2 full length, down-filled, zip insulating baffles
  • Independent down-filled collar
  • Three-dimensional, elastic adjustable hood fitted with stopper
  • Internal pocket
  • Additional, large mesh bag to store your sleeping bag at home


      • Total weight: 1395 g
      • Down weight: 850 g
      • Weight of unfilled sleeping bag: 480 g
      • Comfort temperature: -14 ˚C
      • Limit temperature: -22 ˚C
      • Extreme temperature: -44 ˚C
      • Maximum user height: 203 cm
      • Length: 225 cm
      • Width (top/bottom): 85/59 cm
      • Stuffsack’s dimensions (height/diameter): 40/25 cm
      • Stuffsack’s volume: 16.6 l
      • Number of down chambers: 37

            10 Year Warranty
            Made in the E.U.

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