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Mountain Equipment Helium 400 XXL Sleeping Bag

The ‘gran turismo' of the Helium range. Wider and longer and offering exceptional comfort and performance for long-distance backpacking and trekking.

Features

  • HELIUM™ 20D outer shell is very light and highly breathable
  • 467g of 90-10 Pure Duck Down with a minimum fill power of 700
  • GT fit: a wider and longer version of our Alpine Fit
  • Slanted Box-Wall baffles throughout
  • Mid-level side seams
  • 5 baffle anatomically shaped hood
  • 4 baffle anatomically shaped and offset foot-box
  • Full length Gemini™ zip baffle and integrated collar with Lode Lock™ closure
  • Supplied with waterproof roll-top stuff-sack and storage cube
  • Weight : 1030g / 36.3oz
  • Comfort: 3°C/37°F
  • Comfort Limit -3°C/27°F
  • Extreme: -19°C/-2°F
Mountain Equipment Helium 400 XXL Sleeping Bag
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Size Guide