Mountain Equipment Helium 400 XXL Down Sleeping Bag – Left Zip

£290.00 £234.99

1 in stock


The Mountain Equipment Helium 400 XXL Left Zip Sleeping Bag is the  ˜gran turismo’ of the Helium range. Wider and longer and offering exceptional comfort and performance for long-distance backpacking and trekking.


  • 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


  • 3°C/37°FComfort
  • -3°C/27°FComfort Limit
  • -19°C/-2°FExtreme
  • 1030g / 36ozTotal Weight


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