Cumulus

Cumulus Lite Line 200

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The Cumulus Lite Line 200 is a functional and simply designed down sleeping bag perfect for spring and summer camping. 

Bringing functionality and simplicity together in seamless fashion this sleeping bag will suit lightweight end uses where warmth-to-weight is paramount, such as mountain marathons, lightweight summer backpacking, cycle touring etc. This latest version is made using ultra-light (29 g/m2) Pertex Quantum fabric, so the total weight of the sleeping bag is just 495g.

A major asset is also the sleeping bag’s construction: “H” chambers, a shark-fin foot box and the ergonomic design of the hood providing unique levels of comfort. Additionally, draw cords and tapes to the hood make it more adjustable.

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 Neutrino 200, although this bag is 80g lighter.

Features

  • Fabric: Pertex Quantum DWR, 29 g/m²
  • Filling: Polish goose down, 850 cuin
  • Construction: Box (H-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
  • Mesh pocket with a zip inside the sleeping bag, a fluorescent puller
  • Three external eyes on the longer side of the sleeping bag used for drying it
  • Two eyes to hang the sleeping bag
  • Additional, large mesh bag to store your sleeping bag at home

Specification

  • Total weight: 495 g
  • Down weight: 200 g
  • Weight of unfilled sleeping bag: 295g
  • Comfort temperature: 9 ˚C
  • Limit temperature: 4 ˚C
  • Extreme temperature: -10 ˚C
  • Maximum user height: 185 cm
  • Length: 202 cm
  • Width (top/bottom): 77/51 cm
  • Stuffsack’s dimensions (height/diameter): 19/15 cm
  • Stuffsack’s volume: 3.4 litre
  • Number of down chambers: 30

10 Year Warranty
Made in the E.U.

    Customer Reviews

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    CR
    06/04/2019
    Chris R.
    United Kingdom

    Cumulus Lite Line 200 - Outstanding

    I extensively researched 200 model sleeping bags and I chose this mainly because of the weight V’s temperature performance, plus the availability and price at Rock + Run. I read reviews with a smile when people say sleeping bags are too hot and exceed expectations, but here I am about to say the same about this bag. I first used this bag at 5 degrees C admittedly with a Sea to Summit liner which was way too hot, but have since used the bag without a liner and it is simply outstanding. My advice, don’t wear socks, and if temp is above 5c and you have a good sleep mat, you may want to open up the bag and use as a duvet as it’s so warm zipped up. The pack size with supplied stuff sack is super small but I pack mine in a Sea to Summit 3l compression sack which packs ridiculously small and fits in my bikepacking handlebar bag. An outstanding bag and if used with a bag liner, good mat like Thermarest and appropriate clothes, I have no doubt this set up would smash the comfort rating by some considerable margin. Hope this helps

    MS
    03/12/2019
    Marije S.
    United Kingdom

    A joy to shop with these guys and girls

    Superb customer experience. Very professional in their dealings with my product enquiries, and no issues when wanting to return and exchange items.

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