X-Lite 300 Sleeping Bag by Cumulus


Style: Left zip
$ 399.99


Ships in 1-2 business days | Based in Gdynia, PL | Est. 1989

Simplicity and lightness – these two words best describe our new X-lite sleeping bag series. Thanks to their functional, minimalistic design our sleeping bags are the lightest in the world. The Toray Airtastic (19 g/m2) fabric and 900fp down filling of the highest quality guarantee that the weight of the sleeping bag will be barely noticeable in your luggage. Perfect for spring and summer. 

Total weight: 16.4 oz
Limit temperature: 25˚F


  • Fabric: Toray Airtastic™ DWR, 19 g/m²
  • Filling: Polish goose down, 900fp
  • Construction: trapezoid chambers
  • Independently filled top and bottom of the sleeping bag
  • 2/3 YKK zip with two self-locking sliders
  • The zipper can be opened at the bottom for better ventilation
  • Shark-fin footbox construction
  • 3D, adjustable hood with a draw cord, a lock and a tape
  • Additional, large mesh bag to store your sleeping bag at home  


Total weight: 16.4 oz

Down weight: 10.6 oz

Comfort temperature: 35 ˚F

Limit temperature: 25˚F

Extreme temperature: -4 ˚F

Maximum user height: 72.8 in

Length: 79.5 in 

Width (top/bottom): 30/20 in

Stuffsack’s dimensions (height/diameter): 7.8/6 in

Stuffsack’s volume: 4.2 L

Number of down chambers: 30

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