Mammut Relax Fiber Bag
Best spacious sleeping bag for side sleepers seeking maximum comfort.
This synthetic sleeping bag prioritizes comfort by mimicking the feel of a bed, featuring a central zipper for easy access and a noise-reducing hood. It balances warmth and moisture resistance with a thoughtful, anatomical design that includes handy extras like a sleep mask and earplugs.
$209.00
at
Mammut
More Relax options
Who it's for
- Side sleepers and restless movers seeking a less restrictive fit
- Light sleepers sensitive to the crinkle of synthetic fabrics
- Eco-conscious campers needing dependable performance in humid environments
Who should skip it
- Ultralight backpackers prioritizing the smallest possible pack volume
- Long-distance hikers focused on minimizing every ounce of gear weight
- Winter mountaineers facing temperatures well below freezing
Performance breakdown
Sleep Comfort
The anatomical foot box and noise-reducing hood mimic home bedding perfectly.
Moisture Resilience
Ajungilak synthetic insulation maintains warmth even when conditions turn damp.
Temperature Regulation
Central two-way zipper allows for precise, intuitive climate control while sleeping.
Portability
Synthetic fill adds bulk, making it better for car camping than backpacking.
Thermal Efficiency
Insulated zipper cover effectively eliminates cold spots along the bag's length.
Sustainability
Thoughtful use of recycled materials balances performance with environmental responsibility.
Key Specs
Weight
2.86 lbs
Fill Weight
770 g
Temperature Rating
32 degrees Fahrenheit
Material
Polyamide and Recycled Polyester
Insulation Type
Ajungilak Synthetic Fiber
Lining Material
Recycled Polyester
Zipper Location
Central
Water Resistant
Yes
Has Draft Collar
Yes
Has Stash Pocket
Yes
Know before you buy
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