Relax Fiber (32°F / 0°C) Synthetic Sleeping Bag


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  • Olive
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A home away from home: in the Relax Fiber Bag 0C, you can sleep as soundly as in your own bed. Optimized fit for more comfort. Central zipper for practical temperature regulation. Special material to prevent noise and increase comfort. Ajungilak fiber makes the sleeping bag impervious to moisture and very easy to care for. A revolutionary sleeping bag for warm nights in the open air or in a camper.

Ajungilak insulation fibers make the sleeping bag impervious to moisture and very easy to care for. A revolutionary sleeping bag for warm nights in the open air or in a camper.

bluesign® PRODUCT
A bluesign® PRODUCT is made with at least 90% / 30% bluesign® APPROVED materials / accessories. The designation guarantees the highest level of consumer assurance, responsible use of resources and minimum impact on humans and the environment.

Perfluorinated compounds (PFCs) are practically non-biodegradable. MAMMUT has set the strategic goal of phasing out all PFC-containing product treatments and replacing them with other high-performance alternatives.

Fair Wear
Mammut strives to ensure fair and safe working conditions in all factories making its products. To systematically improve working conditions throughout its supply chain, Mammut was the first outdoor brand to join the Fair Wear Foundation.


  • 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 



  • Recycled 
  • Ethically made 
  • PFC free 
  • Bluesign certified


Material & Technology  

  • Main Fabric 1 - Face Material (B2B): 52% Polyester, 48% Polyamide 
  • Lining 1 - Face Material (B2B): 100% Polyester 
  • Filling 1 - Face Material (B2B): 100% Polyester 
Zipper length188 cm
Fill weight770 g
Zipper sideneutral
Inner width in foot area (EN 13537:2012)55 cm
Warm collarYes
Maximum inner width (EN 13537:2012)85 cm
Comfort temperature in °F (EN 13537:2012)41 °F
Comfort temperature limit in °F (EN 13537:2012)32 °F
Extreme temperature in °F (EN 13537:2012)3 °F
Total weight without stuff bag1300 g 
Inner length (EN 13537:2012)220 cm
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