










The Synthesis 35° is a synthetic sleeping bag from Sierra Designs.
The Synthesis 35° is made of synthetic fibres to provide warmth and water resistance, with an interesting performance-to-price ratio. The Synthesis 35 ° was developed with a double-zip opening to suit everyone and allow you to manage warmth/coolness as you wish.
In addition, you can manage feet ventilation as you wish thanks to the bottom opening. Moreover, it has a moderate weight: 1021 g for the Regular version is a good weight which makes the Synthesis 35° a synthetic fibre sleeping bag must-have.
Finally, the Synthesis 35° has an insulating hem at the neck to limit heat loss for comfortable nights!
The Synthesis 35° allows for pleasant and complete use !


Synthetic insulation provides high warmth, even when wet
Double-zip closure for easy use
Foot vents for quick and easy ventilation
Insulating neck hem to reduce heat loss
- 20D Nylon Fabric
Insulation: Synthétic Sierra Loft
External fabric : 20D Nylon Ripstop
Lining: 20D Nylon Taffeta
Comfort temperature: 1°C
Comfort temperature limit: - 4 °C
Weight: 1021 g (R) / 1080 g (L)
Maximum size : 183 cm (R) / 198 cm (L)
Length: 198 cm (R) / 208 cm (L)
Shoulder circumference 152 cm (R) / 163 cm ( L)
Hip circumference 142 cm (R) / 147 cm (L)
Foot circumference 102 cm (R) / 107 cm (L)
- Storage bag Dimensions: 38 x 19 cm
Size of the mesh bag : 51 x 31 cm