Therm-a-Rest Saros
Best reliable synthetic bag for cold weather campers seeking extra room.
Designed for damp, cold conditions, this synthetic bag prioritizes versatility and comfort. Its unique fit accommodates various sleeping positions, while integrated pad connectors ensure you stay centered and warm throughout the night.
$249.95
at
SRE Gear
More Saros options
Who it's for
- Winter campers frequently facing wet or snowy environments
- Active sleepers who move around throughout the night
- Side sleepers needing more wiggle room than traditional mummy bags
Who should skip it
- Backpackers with limited internal pack capacity
- Weight-conscious trekkers planning high-mileage days
- Long-term investors seeking a bag that lasts for decades
Performance breakdown
Wet-weather performance
Synthetic insulation retains critical loft even when soaked by winter moisture.
Thermal efficiency
Zoned construction and draft collars effectively trap heat where it matters.
Sleeping pad integration
Integrated connectors keep you centered and prevent cold drafts from entering.
Ergonomic comfort
Spacious cut allows for natural movement without compromising essential heat retention.
Portability
Heavy synthetic fill makes this bulky for long-distance winter backpacking trips.
Ease of entry
Snag-free zipper design ensures quick, reliable access in freezing conditions.
Key Specs
Temperature Rating
0 degrees Fahrenheit
Insulation Type
Synthetic
Shell Material
20D Polyester Ripstop
Lining Material
Polyester
Weight
4.94 lbs
Max User Height
78 inches
Sleeping Bag Type
Backpacking
Season Rating
Winter
Water Resistant
Yes
Has Draft Collar
Yes
What Reviewers Say
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