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    ME-005968

    Helium 400

    Regular price £300.00
    An incredibly light, versatile and packable sleeping bag that's well suited to backpacking and cycle touring, it will still happily cope with cooler nights during the spring and summer months.
    • Ideal for: Backpacking & Trekking
    • Weight: 820g/1 lbs 12.9ozs
    • Thermometer
      Good Night's Sleep Temperature: -5°C/23°F
    Select Colour ME-01635 Majolica Blue
    Size
    • Free Express Delivery on all orders until Monday 4th December.
    • Hassle free returns within 30 days.

    Helium 400

    An incredibly light, versatile and packable sleeping bag that's well suited to backpacking and cycle touring, it will still happily cope with cooler nights during the spring and summer months.

    An incredibly light, versatile and packable sleeping bag that's well suited to backpacking and cycle touring, it will still happily cope with cooler nights during the spring and summer months.

      Technical details

      Temperature ratings

      Comfort

      0°C/32°F

      Comfort Limit

      -6°C/21°F

      Extreme

      -24°C/-11°F

      Features

      • 100% recycled HELIUM 20D outer shell is very light and highly breathable with FC free DWR
      • 403g 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 with 140cm zip and integrated neck collar with Lode Lock closure
      • 100% recycled Supersoft 20D lining fabric with FC free DWR
      • Supplied with waterproof roll-top stuff-sack and storage cube
      • A Good Night's Sleep Guaranteed
        So confident are we that our sleeping bags will keep your warm and comfortable, that in addition to the EN13537/ISO23537 laboratory ratings we quote, every Mountain Equipment sleeping bag comes...

        So confident are we that our sleeping bags will keep your warm and comfortable, that in addition to the EN13537/ISO23537 laboratory ratings we quote, every Mountain Equipment sleeping bag comes with a separate ‘A Good Night’s Sleep Guaranteed’ temperature rating.

      • Down 700
        Down is the finest insulator that we have. Its warmth to weight ratio, compressibility, long lifespan, and softness are yet to be matched by manmade insulations. For all but the...

        Down is the finest insulator that we have. Its warmth to weight ratio, compressibility, long lifespan, and softness are yet to be matched by manmade insulations. For all but the most serious expeditions, duck down is a great choice for both insulated clothing and equipment.

      • Down Codex
        The DOWN CODEX® is our multi-award-winning certification scheme that considers the environmental, ethical and animal welfare matters relating to our down supply chains. It is grounded in comprehensive and transparent...

        The DOWN CODEX® is our multi-award-winning certification scheme that considers the environmental, ethical and animal welfare matters relating to our down supply chains. It is grounded in comprehensive and transparent auditing that ensures traceability and quality.

      • Fair Wear
        As a member of Fair Wear, Mountain Equipment is committed to implementing the highest standards of working conditions.

        As a member of Fair Wear, Mountain Equipment is committed to implementing the highest standards of working conditions.

      • Helium
        Helium fabrics are exceptionally light, compressible and soft. Their densely woven construction ensures the highest levels of down-proofing and wind resistance.

        Helium fabrics are exceptionally light, compressible and soft. Their densely woven construction ensures the highest levels of down-proofing and wind resistance.

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      Choosing the right sleeping bag

      A fitful night’s sleep is no preparation for the big day ahead. Sleeping bags can make the difference between a comfortable sleep and suffering through the night.

      Sleeping Bag Guide Temperature ratings explained