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Sierra Designs Synthesis 20

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Sierra Designs Synthesis 20

Men's model of the Synthesis 20 with a comfort temperature of -1°C.
€159.00

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Availability: In stock

The opinion of Aventure Nordique

The Sierra Design Synthesis 20 is a synthetic fibre sleeping bag with an insulation of -1°C comfort. To suit all hikers, from the coldest to the most restless during the night, Sierra Design has equipped this sleeping bag with a double zip opening allowing you to open the upper third of the sleeping bag completely and free your arms.


On one side, the zip goes down under your chest to ensure good ventilation. On the other side, you can open more than half of the sleeping bag to get in and out more easily. The zips are protected on the inside by a wide flap that prevents your skin from coming into contact with uncomfortable materials or cold sources.


At the feet, a simple insulated flap opening will encourage you to take your feet out or in as you wish without being hindered by the presence of a zip or velcro.


As with most of the sleeping bags in this range, you will benefit from an insulating collar that will compartmentalise your sleeping bag and prevent unwanted air from entering.


This three-season sleeping bag allows you to adjust the ventilation of the sleeping bag to suit changing temperatures. Its durability is guaranteed by a SierraLoft synthetic fibre filling and a durable water repellent treatment (DWR).

Technical details

Manufacturer Sierra Designs
Product name Synthesis 20
Season 3 season
Model Man
Fill Synthetic
Cuin Fibre synthétique SierraLoft
Comfort rating -1°C
Comfort Limit -7°C
Dimensions Up to R : 183 cm - L : 198 cm
Shoulders - Hips - Feet: R : 152 cm - 142 cm - 102 cm / L : 163 cm - 147 cm - 107 cm
Folded size 38 x 19 cm
Outer shell Nylon Ripstop 20 deniers
Inner lining Nylon Ripstop 20 deniers
Fill Weights R : 814 g - L : 886 g
Weight R : 1161 g - L : 1247 g
Zipper Right & Left
Colour Rouge
Additional information Comes with a storage bag and a carrying bag.
Country of Manufacture China

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