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    • Helium Expansion Baffle
    • Helium Expansion Baffle
    ME-006173

    Helium Expansion Baffle

    Regular price $64.95
    A lightweight expansion baffle providing greater internal space to our down sleeping bags.
    • Ideal for: Backpacking & Trekking
    • Weight: 110g/3.9oz
    Select Colour ME-01635 Majolica Blue
    Size Left Zip
    • Free UK mainland delivery on orders over £50
    • Hassle free returns within 30 days.

    Helium Expansion Baffle

    A lightweight expansion baffle providing greater internal space to our down sleeping bags.

    A lightweight expansion baffle providing greater internal space to our down sleeping bags.

      Technical details

      Temperature ratings

      Comfort

      n/a

      Comfort Limit

      n/a

      Extreme

      n/a

      Features

      • Expands any Helium sleeping bag by 13 cm / 5 inch width
      • 2 YKK® zips allow baffle to zip into existing sleeping bag
      • 100% recycled HELIUM 20D outer shell is very light and highly breathable with FC free DWR
      • 100% recycled Supersoft 20D lining fabric with FC free DWR
      • 30g of 90-10 Pure Duck Down with a minimum fill power of 700
      • Supplied with lightweight stuff-sack
      • 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 labora...

        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 ...

        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 ma...

        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.
      • Helium
        Helium fabrics are exceptionally light, compressible and soft. Their densely woven construction ensures the highest levels of d...

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

      Bestsellers

      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

      Trace your down

      What is the DOWN CODEX code?

      Click here to get a demo code and trace