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Mountain Equipment Helium 400 Cosmos Long

Sleeping Bags | Product code: ME-003539 | ID: 353429

- 11%
Mountain Equipment Helium 400 Cosmos Long



Saving £36 on purchase
In stock for online shop 1 piece
shipped TODAY

Estimated delivery 2021-03-17

Mountain Equipment Helium 400 Cosmos Long

Helium 400 is an incredibly light, versatile and packable sleeping bag well suited to backpacking and cycle touring that will still happily cope with cooler nights during the spring and summer months.

  • HELIUM™ 20 outer shell is very light and highly breathable
  • 385g of 90-10 Pure Duck Down with a minimum fill power of 700
  • Alpine fit maximises thermal efficiency
  • 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
  • Length Inside: 205 cm
  • Max Width Inside: 75 cm
  • Inside Foot Width: 50 cm
  • Max User Height: 200 cm
  • Total Bag Weight: 880 g
  • Packed HxWxD: 25 x 21 x 17 cm
  • Comfort: 3°C/37°F
  • Comfort Limit: -3°C/27°F
  • Extreme: -19°C/-2°F
  • Parameters and specifications

    Max. High Stature


    Original Colour by Producer


    Age Group


    Inner Length

    205 cm

    Max. Inner Width

    75 cm

    Lower Temperature Limit

    -3 °C


    Down, Feather




    880 g

    Made in


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