Saros™ 20F | -7C | Synthetic Sleeping Bag

The Saros sleeping bag is the perfect choice for backcountry trips that start with a shaky forecast. EraLoft™ synthetic insulation offers warmth and weather resistance that's ideal for backpacking and mountaineering in wet weather and temperatures down to 20F (-7C). A direct connection to your mattress, created with SynergyLink Connectors, ensures you stay warm and comfortable all night long.

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  • Sleep Securely: SynergyLink Connectors bring your sleeping bag and mattress together for uninterrupted sleep.
  • Sleep Warmer: Zoned Insulation puts fill where you need it most, for efficient warmth.
  • Move Freely: Our Efficient Comfort design gives you room to move where you need it, without creating too much space to heat efficiently.
  • All-Weather Warmth: Proprietary eraLoft™ synthetic insulation is light, compressible and performs in wet conditions.

FEATURES:
Draft Tubes & Collar, Snag Free Zipper, Stash Pocket, Sculptured Hood, Trapezoidal Footbox, Storage & Stuff Sack

Saros is a period of time used to predict an eclipse of the sun or moon.

  • Two flexible fabric bands keep your bag centered on your mattress. They eliminate problems with sliding, twisting and cold spots, yet still allow the head and foot to rotate freely and follow you just as they should. SynergyLink™ Connectors fit any mattress up to 25 inches (63 cm) wide.
  • The Saros features box-baffled and shingled insulation on the top and sides to trap rising heat, with a fabric-only bottom. This Zoned Insulation works with your mattress to provide maximum insulation, while eliminating extra fill that is typically compressed, adding little insulation value.
  • Sleeping Bag freedom of movementTherm-a-Rest sleeping bags are designed with extra room in the torso to allow your shoulders, elbows and hips to move freely. At the head and foot the fit is closer, keeping you warm while decreasing overall weight.
  • EraLoft™ is a proprietary blend of three synthetic fibers that provides superior warmth, loft and durability. Short, soft fibers trap warmth, long fibers create loft and medium-length fibers provide structure and water resistance.

View our Sleeping Bag Comparison Chart

View specs in printer-friendly format
RegularLong
ColorBlueBlue
Weight2 lbs 15 oz / 1.34 k3 lbs 3 oz / 1.46 k
Fits6 ft / 183 cm6 ft 6 in / 198 cm
Girth, Shoulder62 in / 158 cm64 in / 163 cm
Girth, Hip58 in / 147 cm60 in / 152 cm
Girth, Foot box40 in / 102 cm40 in / 102 cm
Width30 in / 76 cm30 in / 76 cm
Length76 in / 193 cm82 in / 208 cm
Packed dimension8 x 18 in / 15 Liters8 x 18 in / 15 Liters
EN Comfort1 C / 30 F1 C / 30 F
EN Limit-5 C / 23 F-5 C / 23 F
EN Extreme-22 C / -8 F-22 C / -8 F
FilleraLoft™eraLoft™
Fill weight1 lb 15 oz / 879 g2 lbs 4 oz / 1024 g
Liner fabric50D Polyester50D Polyester
Shell fabric30D Polyester with DWR30D Polyester with DWR
Zipper sideLeftLeft
Country of OriginMade in ChinaMade in China

Temperature Ratings

Therm-a-Rest sleeping bags are rated to both US and European Norm (EN 13537) standards. All ratings are developed from procedures and testing conducted by independent organizations in the US and Europe. Sleeping bags and blankets without hoods are not subjected to EN testing.

  • EN Comfort: At this temperature, a standard woman can sleep comfortably in a relaxed position.
  • EN Limit: The lowest temperature at which a standard man will be able to sleep comfortably through the night. This rating is relatively close to those commonly used in North America.
  • EN Extreme: At this temperature, a standard woman can survive for at least six hours.

Made in China

  
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