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Mammut Kompakt Down Spring


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The Mammut Kompakt Down Spring is a lightweight and comfortable, high quality down sleeping bag designed for mild temperatures.

Highly compressible to a light backpacking-friendly pack size, the Kompakt Down Spring comes in well below the 1 kilo limit making it perfectly suited for any and all your self-supported adventures from late spring to early autumn. The lightweight mummy bag has a Bluesign approved (Eco friendly) shell and is filled with high-quality RDS-certified down for optimum warmth and comfort, with a H-chamber design that keeps the down in place and prevents it from shifting around.

On top of this, the Kompakt Down Spring features a Trinity construction with additional insulation at the head and foot of the bag, giving you the warmth where you need it the most. With its high-quality fill, small pack size and excellent warmth-to-weight ratio, the Mammut Kompakt Down Spring is ideal for outdoor adventures in summer temperatures!

More Help? For further assistance on choosing your down sleeping bag, we have an article explaining fill power, the pros and cons of down over synthetic insulation and more info on caring for your bag available to view here: Down Sleeping Bags.


  • Trinity construction provides greater protection and better insulation in foot and head areas
  • 30D Nylon Face Fabric - 100% Polyamide
  • Performance Hood with Advanced Visibility: a full view with the hood closed and very good protection against the cold
  • Enhanced comfort and insulation in foot area
  • Internal pocket with Hook and loop fastener
  • Contains textile products of animal origin (down)
  • Includes compression sac and storage bag


    • Maximum body size: 182 cm
    • Inner bag length: 194 cm
    • Inner width in foot area: 50 cm
    • Construction type: H-Chambers - prevent down slippage
    • Temperature limit: 1 °C
    • Comfort temperature limit: 6 °C
    • Maximum inner width: 78 cm 
    • 30D Nylon Face Fabric - 100% Polyamide
    • Filling: 240g of White European duck down 
    • Fill power 700 cuin
    • Packed size: 17x30 cm 
    Weight: 670g

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