Cumulus Lite line 300

Cumulus Lite Line 300

Cumulus Lite Line 300 - a classic and the most popular of our spring and summer models.


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Cumulus Lite Line 300

A classic and the most popular of Cumulus spring and summer models. It is characterized by a very low weight of 640g using an advanced cell trapezoid design which gives it a great advantage over the competition. Efficient trapezoid construction combined with fantastic quality Polish goose down make it possible to sleep in comfort at even 4°C. Made of the tried and tested Pertex Quantum fabric, it weighs 35 g/m². It is a model that more ardent proponents of "Fast and Light" use even in light winter conditions.

The best choice from spring to autumn mountain trekking, bike trips and everybody looking for allround bag that is hard to be noticed in the baggage.



  • Pack weight: 640 g

  • Down weight: 300 g

  • Weight of unfilled sleeping bag: 340 g



  • Fabric: Pertex Quantum, 35 g/m²

  • Filling: Polish goose down, 850 cuin

  • Construction: Trapezoid 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

  • Full length, down-filled, zip insulating baffles

  • Three-dimensional, elastic adjustable hood fitted with stopper

  • Internal pocket

  • Additional, large mesh bag to store your sleeping bag at home


Temperature characteristic:

  • Comfort temperature: 4˚C

  • Limit temperature: 0˚C

  • Extreme temperature: -15 ˚C



  • Maximum user height: 185 cm

  • Length: 202 cm

  • Width (top/bottom): 77/51 cm

  • Stuffsack’s dimensions (height/diameter): 22/16 cm

  • Stuffsack’s volume: 4,4 l

  • Number of down chambers: 34


Warranty: 10 years




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Down insulation guide


Data sheet
Weight640 g
Down weight300 g
MaterialPertex Quantum, 35 g/m²
Warranty10 years
Made inEU (Poland)
Down quality850 cuin
Lenght202 cm
Width (top/bottom)77/51 cm
Maximum user height185 cm
Weight of unfilled sleeping bag340 g
Stuff sack’s dimensions (height/diameter)22/16 cm
Stuff sack’s volume4,4 l
Number of down chambers34
ConstructionTrapezoid chambers