Thermarest Saros 0F/-18C

Thermarest Saros 0F/-18C

Sleeping bag in synthetic fibers with a comfort temperature of -10°C.

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The opinion of Aventure Nordique

The Saros 0F/-18C from Thermarest is a synthetic sleeping bag for 4 seasons use. Thanks to its eraLoft synthetic hollow fiber filling, it keeps you warm, compacts well and maintains its loft. It is moisture resistant and quick drying, ideal for wet weather. Zoned insulation maximizes warmth and optimizes weight by precisely distributing the fill where it's needed most. Differential padding: 70% on the top and sides and 30% on the back.

The "W.A.R.M." cut (increased volume for multiple positions) allows you to sleep in multiple positions without losing heat or cold bridges. The filling is intelligently distributed where you need it most. The foot area is wider so you can rub your feet easily or put on slippers.

The outer and inner fabrics are made of soft, lightweight nylon. The zipper allows you to open 3/4 of the sleeping bag and is equipped with an anti-blocking system, to avoid getting stuck in the fabric and facilitate handling during the night.

In order to limit cold bridges or drafts, the SynergyLink system allows the sleeping bag to be attached to the mattress using 2 connectors that pass under the mattress. This device is also useful for people who move around a lot at night.

Technical details

Manufacturer Therm-A-Rest
Product name Saros 0F/-18C
Season 4 season
Model Unisex
Fill Synthetic
Cuin Synthetic fiber eraLoft Polyester Hollow Fiber
Comfort rating -10°C
Comfort Limit -18°C
Dimensions Max. user size. S : 168 cm - R : 183 cm - L : 198 cm
Shoulders - Hips - Feet: S : 147/147/112 cm - R : 160/155/117 cm - L : 168/163/130 cm
Folded size 28 x 30 cm
Outer shell 20D Polyester w/ DWR
Inner lining 20D Polyester Taffeta
Fill Weights S : 1610 g - R : 1820 g - L : 2000 g
Weight S : 1960 g - R : 2240 g - L : 2370 g
Colour Blue
Additional information
  • Compression bag and storage bag included.
  • Mattress sold separately.
  • Temperatures according to the European standard EN13537 / ISO 23537
Warranty Lifetime
Country of Manufacture China


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