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Comforter Cumulus / Chroniquesanscarbone M350

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The Cumulus / Chroniquesanscarbone M350 comforter cheaper than anywhere else, on its creator's website.

The lightest of the UML comforters I developped with Cumulus : 575g

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Delay : 2/3 weeks

189,00 € tax incl.

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How is it possible to sleep comfortably in summer, when you camp one night in a warm valley, and then move to a high altitude cold bivouac the day after? How can you convert a part of your sleeping system into a survival tool for serious winter conditions? Answer: use a comforter !

The M350 is the lightest one of the "Ultralight Modular Line" series that I created with Cumulus. These comforters have been adopted by hundreds of enthusiast ultralight hikers.

Weighing only 560 g, made of a 27g/m² Pertex Quantum shell and including 350 g of our best 850 cuin goose down, the M350 is a kind of Swiss army knife in terms of insulation. It’s down filling ratio is optimized for the quilt mode. It has a wide amplitude of use, from 25°C to -4°C.

Integrated elastics allow to create a footbox on one side and a neck collar on the other, loops being used to create a tube. The result is a quilt, a hoodless sleeping bag, not insulated in the back. With this M350, when it gets cold, it is useful to shake the quilt in a U position before sleeping, in order to put more down on the top. Comfort use in quilt mode is around 2°C. Of course you can reach even lower temperatures, depending on the clothes you wear while asleep.

Rectangular shape is a deliberate choice: it creates, in case of an emergency , an armour-like insulation layer (torso, arms and head) when used under a wide jacket. In static use, this "jacket mode" allows you to deal with a -11 °C standby. The perfect backup for quick but careful climbers.

It is also possible to use it inside of a classic sleeping bag to make it winterproof, and under a hammock... and of course , as a comforter at home : expect serious heating savings !

  • Fabric: Pertex Quantum, 27 g/m²
  • Filling: Polish goose down, 850 cuin
  • Construction: “H” chambers
  • Can be used as: comforter, quilt, additional insulation inside a regular sleeping bag, down insulation inside a wider jacket, insulation under a hammock
  • Elastics can create a collar and a footbox
  • Loops allowing to close the comforter or to attach it to a mattress
  • Possibility of moving the filling to achieve the most wanted down distribution for a current use
  • Radically more efficient use of down, compared to a conventional sleeping bag
  • Additional, large mesh bag to store your comforter at home
  • Total weight: 560 g
  • Down weight: 350 g
  • Weight of unfilled comforter: 200 g
  • Comfort temperature: 2 ˚C
  • Limit temperature: -4 ˚C
  • Maximum user height: 180 cm
  • Dimensions: 210 cm x 120 cm
  • Stuffsack’s dimensions (height/diameter): 22/16 cm
  • Stuffsack’s volume: 4,4 l
  • Number of down chambers: 12