Mammut Comfort Fiber Bag
Best versatile synthetic sleeping bag for comfortable, eco-conscious camping trips.
This synthetic bag prioritizes versatility, letting you unzip the mummy silhouette into a full blanket when the temperature rises. It sacrifices the weight savings of high-end down for a more sustainable, recycled build that feels less restrictive and significantly more comfortable for casual camping trips.
$160.00
at
Mammut
Who it's for
- Outdoor enthusiasts needing gear that lasts for years
- Restless sleepers who feel restricted in mummy bags
- Backpackers camping in wet or humid climates
Who should skip it
- Ultralight hikers prioritizing minimal pack weight and volume
- Long-term campers needing insulation that maintains loft for decades
- Budget-conscious shoppers seeking entry-level synthetic options
Performance breakdown
Thermal Efficiency
Optimized insulation chambers effectively eliminate cold spots for consistent warmth.
Versatility
Clever blanket mode adapts seamlessly to fluctuating campsite temperatures.
Packability
Synthetic fill compresses well for a surprisingly small trail footprint.
Zipper Reliability
Upgraded YKK hardware minimizes snagging for frustration-free midnight exits.
Ergonomic Comfort
Anatomical foot box provides ample room without sacrificing thermal retention.
Sustainability Impact
Bluesign certification and recycled materials set a high industry standard.
Key Specs
Fill weight
370 g
Total weight without stuff bag
1184 g
Diameter (compressed)
23.00 cm
Height (compressed)
29.00 cm
Packing volume
12.00 l
Maximum body size
195 cm
Width
85.00 cm
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Ask Metto anything about the Mammut Comfort Fiber Bag before you decide.