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Mammut Relax Down Bag 0C (Highway)

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Zip Side: Centre
Size: Large

The Mammut Relax Down Bag revolutionises the feeling of sleeping on the road. The design focuses on natural sleeping needs and on noise, space and temperature: The material in the head area prevents disturbing rustling sounds. The width of the sleeping bag is based on the natural sleeping position. A central zipper makes it possible to regulate the temperature inside the sleeping bag. Relax Down Bag. The sleeping bag for restorative nights in a camper or a hut.

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.


  • Warm collar: No
  • Restorative sleep thanks to a newly developed sleeping bag shape
  • Intuitive climate regulation with a central 2-way zipper
  • Comfortable, soft material in the hood reduces noise and increases comfort
  • Including deep sleep mask and earplugs to reduce light and noises
  • PFC-free DWR treatment
  • Lining made from 100% recycled polyester
  • Improved YKK zipper prevents jamming of material
  • Insulated covering along the zipper to protect from cold bridges and
  • enhance climate comfort
  • Insulation chamber around the hood opening to protect from cold and wind
  • Internal pocket to store valuables
  • Revised anatomical foot box for greater comfort without extra weight
  • Zipper garage reduces cold areas at the end of the zipper
  • Supplied with a packing bag


    • Comfort temperature limit: 32 °F
    • Inner width in foot area: 55 cm
    • Comfort temperature limit: 0 °C
    • Construction type: H Box
    • Extreme temperature: 3 °F
    • Extreme temperature: -16 °C
    • Comfort temperature: 41 °F
    • Comfort temperature: 5 °C
    • Inner length (EN 13537:2012): 220 cm
    • Diameter (compressed) 21cm
    • Height (compressed) 22.5cm
    • Total weight without stuff bag 960g
    • Zipper length 188cm
    • Fill weight: 300g
    • Filling: 90% Grey duck down | 10% Grey duck feather
    • Lining: 100% Polyester
    • Main Fabric: 52% Polyester | 48% Polyamide
    • User height: 180-195cm
    Weight: 960g

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