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Helium 600 XXL Sleeping Bag
Helium 600 XXL Sleeping Bag
Helium 600 XXL Sleeping Bag
Colour: Cosmos
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The Helium 600 XXL Sleeping Bag from Mountain Equipment is wider and longer and offers exceptional comfort and performance for long-distance backpacking and trekking.

  • Helium 20D outer shell is very light & highly breathable
  • 677g of 90-10 Pure Duck Down with a fill power of 700
  • Comfort limit: -8°C
  • GT fit: a wider & longer version of Alpine Fit
  • Slanted Box-Wall baffles throughout
  • Mid-level side seams
  • 5 baffle anatomically shaped hood
  • 4 baffle anatomically shaped & offset foot-box
  • Full length Gemini zip baffle
  • Integrated collar with Lode Lock closure
  • Supplied with waterproof roll-top stuff-sack & storage cube
  • Weight: 1240g
Product Code: D2144043

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Two people wearing and equipped with the Mountain Equipment sleeping bags and mats resting among rocks

Mountain Equipment know a thing or two about challenging conditions; because when you play a role in every British first ascent over 8000m and stand on the summit of Everest more than 175 times, being an expert can make all the difference.


That’s why Mountain Equipment have spent decades engineering expedition kit for the harshest conditions on the planet. They’ve equipped unsupported trips to the most extreme and far reaching corners of the globe and are trusted by International Mountain Guides and Sherpas the world over.