The opinion of Aventure Nordique
The Spark 7C/45F is the ultra-light sleeping bag in the Sea To Summit range, offering excellent performance. In Regular size, it is filled with 150 grams of 850 cuin 90/10 European goose down, with Ultra Dry Down treatment for greater resistance in wet conditions. It weighs 365 grams for a comfort temperature of 11°C.
The Mummy Fit cut maximizes thermal efficiency, and for the filling, Sea To Summit has opted for different padding according to the body's essential zones, optimizing insulation:
Vertical padding on the torso to prevent the down from shifting.
Horizontal padding on the bottom to minimize the weight of the sleeping bag.
To achieve such a low weight, the envelope is made of a very fine 10-denier nylon fabric, with through seams. The hood and footbox are made of waterproof, breathable fabric.
The Spark 7C/45F sleeping bag has a half-length zipper with 2 sliders. In addition to the hood, a small collar on the front protects against air ingress.
Technical details
| Manufacturer | Sea to Summit |
|---|---|
| Product name | Spark 7C/45F |
| Season | 2 season |
| Model | Unisex |
| Fill | Goose Down |
| Cuin | 850 cuin+ 90/10 RDS Ultra Dry Down |
| Comfort rating | 11°C |
| Comfort Limit | 7°C |
| Extreme rating | -6°C |
| Dimensions | R : up to 185 cm - L : up to 198 cm |
| Shoulders - Hips - Feet: | R : 155/135/102 cm - L : 165/145/112 cm |
| Folded size | R : 2 L - L : 3 L |
| Outer shell | Nylon 10 D, waterproof (hood and footbox), Bluesign |
| Inner lining | Nylon 10 D, Bluesign |
| Fill Weights | R : 150 g - L : 172 g |
| Weight | R : 363 g - L : 387 g |
| Zipper | Left |
| Colour | Grey / Yellow |
| Additional information |
|
| Eco-responsible contribution | The Responsible Down Standard (RDS) label guarantees the protection of goose and ducks reared for the production of sleeping bags or down jackets containing feathers and down. The RDS lining means that it does not come from animals that have been subjected to cruel treatment. This label allows traceability to identify the origin of the down. Bluesign label certification guarantees the production of a safe and sustainable textile with the lowest impact on people and the environment. The Bluesign standard aims at a responsible use of resources and risk management related to the handling of chemicals throughout the production chain. It is an independent label that requires certification. |
| Warranty | 2 years |
| Country of Manufacture | China |
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