The opinion of Aventure Nordique
The Spitsbergen X-Trem is a versatile double expedition sleeping bag. It consists of 2 sleeping bags, one down and one synthetic. They can be used in combination to achieve a comfort temperature of -32°C and a comfort limit of -45°C, or independently on colder nights.
Outer sleeping bag (red): Filled with Thermolite T3 Ecomade synthetic fiber. When used alone, it has a comfort temperature of -4°C and comfort limit of -11°C. As it is designed to be used with another sleeping bag inside, it cuts large. On the front is the short zipper, with 2 zips for ventilation. Weight with cover: 1835 grams
Inner sleeping bag (gray): Filled with 860 grams of 750 cuin goose down. When used alone, it has a comfort temperature of -16°C and a comfort limit of -25°C. On the left side is the short zipper, with 3 zips to create either ventilation or an arm opening. On the left side, an opening allows the other arm to be extended. A generous collar with snap fastener closes around the neck. Weight with cover: 1650 grams
The 30-denier Pertex Microlight Ripstop fabric is lightweight and water-repellent on the outside of the sleeping bag. The inner fabric in Pertex Quantum Tafetta is very soft to the touch. Both sleeping bags are equipped with a pocket.
Technical details
Manufacturer | Helsport |
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Product name | Spitsbergen X-Trem |
Season | 4 season |
Model | Unisex |
Fill | Goose Down |
Cuin | Goose down 90/10 RDS 750 Cuin & Thermolite T3 Ecomade |
Comfort rating | -32°C |
Comfort Limit | -45°C |
Extreme rating | -70°C |
Dimensions | Maximum size of person 195 cm |
Shoulders - Hips - Feet: | Maximum width of person 85 cm (shoulders) |
Folded size | 37 x 29 cm (24 L) |
Outer shell | 100% Pertex Microlight 30D Nylon Ripstop DWR |
Inner lining | 100% Pertex Quantum 30D Nylon Taffeta |
Fill Weights | 860 g (duvet) |
Weight | 3485 g (the two sleeping bags with their covers) |
Zipper | Left |
Colour | Reg / Grey |
Additional information | Comes with a storage bag and 2 compression bag. |
Eco-responsible contribution | Down RDS (Responsible Down Standard) |
Warranty | 5 years |
Country of Manufacture | China |