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Cumulus

Cumulus Mysterious Traveller 500

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The Cumulus Mysterious Traveller 500 is an adaptable mid-weight down sleeping bag ideal for Spring and Summer use, as well as in mild winter conditions.

Providing reliable protection throughout the more clement months, whether that be regular camping, backpacking or use in the mountains, Cumulus have kept the Mysterious Traveler 500 light with the use of Pertex Quantum fabric (weighing 35 g/m²) throughout, along with a 700 cuin loft, goose down fill. The Trapezoidal chambers provide highly efficient insulation in bags of this weight. Weighing in at less than 900g, the Mysterious Traveller 500 is incredible value for money.

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.

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 Ascent 500, although of course this Cumulus bag utilises goose, rather than duck down.

Features

  • Fabric: Pertex Quantum DWR, 35 g/m²
  • Filling: Polish goose down, 700 cuin
  • Construction: Trapezoid chambers
  • Independently filled top and bottom of the sleeping bag
  • Shark-fin foot box
  • 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
  • Full length, down-filled, zip insulating baffle
  • Independent down-filled collar
  • 3D, adjustable hood with a draw cord, a lock and a tape
  • Internal pocket
  • Additional, large mesh bag to store your sleeping bag at home

Specification

  • Total weight: 885 g
  • Down weight: 500 g
  • Weight of unfilled sleeping bag: 385 g
  • Comfort temperature: 1 ˚C
  • Limit temperature: -5 ˚C
  • Extreme temperature: -19 ˚C
  • Maximum user height: 190 cm
  • Length: 208 cm
  • Width (top/bottom): 80/55 cm
  • Stuffsack’s dimensions (height/diameter): 26/18 cm
  • Stuffsack’s volume: 6.6 l
  • Number of down chambers: 36 

10 Year Warranty
Made in the E.U.

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