Therm-A-Rest® Saros™ Three Season Synthetic Sleeping Bag
Product details
| Management number | 236130315 | Release Date | 2026/07/09 | List Price | US$66.48 | Model Number | 236130315 | ||
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MOST VERSATILE UNISEX SYNTHETIC BAG.
The three-season Saros sleeping bag is the perfect choice for backcountry trips that start with a shaky forecast. eraLoft™ synthetic insulation offers warmth and quick-dry weather resistance that's ideal for backpacking and mountaineering in wet weather from spring through fall. New fabrics provide a softer feel, while our SynergyLink™ Connectors and mattress integration ensure superior comfort with efficient warmth and the freedom to move as you like for the best night’s rest possible.
- Zoned Insulation (Shingled eraLoft™ w/ sewn-through insulated bottom
- SynergyLink™ Connectors integrate your mattress for optimal comfort and efficiency
- Heat trapping draft collar and full-length zipper draft tube
- Differential cut maximizes loft
- Snag-free zipper
- Cinchable hood
- External zip pocket
- Silicone DWR-Treated 20D Nylon Shell
- Stuffsack and storage sack included
Saros is a period of time used to predict an eclipse of the sun or moon.
Temperature Ratings
Warmth You Can Trust: Considering all the variables that affect how warm you sleep, providing a single number for a sleeping bag rating can be misleading. That’s why we test all of our sleeping bags to the EN (European Norm) 13537 Standard. The following definitions will help you understand this Standard, and how to use it to find the bag that’s right for you.
Comfort Range: This is the temperature range where you can expect the bag to provide reliable warmth for a “standard” man or woman. Below this, the test’s “standard woman” will begin to feel cold.
Transition Range: In this temperature range, a “standard” man will be comfortable.
Risk Range: In this range, a strong sensation of cold has to be expected. There is risk of health damage by hypothermia. The bag should only be used in this range in an emergency, or by those with ample experience in augmenting a bag’s warmth.
Standard Woman: 25 years old, 132 lb (60 kg), 5’2” (157 cm)
Standard Man: 25 years old, 154 lb (70kg) and 5’7” (170 cm)
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