How to Choose Sleeping Bags for Backpacking

Count grams while counting on a great night's sleep with the Sea to Summit Spark 15F sleeping bag. It's filled with 850+ fill-power down, and the 10-denier shell sheds wind and condensation.
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Imported.
Best Use | Backpacking |
---|---|
Tested Lower Limit | 15 degrees (F) - ISO |
Tested Comfort | 29 degrees (F) - ISO |
Temperature Rating (F) | 15 degrees (F) |
Temperature Rating (C) | -9 degrees (C) |
Weight | Long: 1 lb. 11.7 oz. Double: 3 lb. 6.4 oz. |
Ultralight | Yes |
Shell | 10-denier nylon |
Zipper Location | Left |
Insulation Type | Down |
Water-Resistant Down | Yes |
Fill | 850+ fill-power goose down |
Fill Weight | Long: 1 lb. 3 oz. Double: 2 lb. 2.7 oz. |
Sleeping Capacity | 1-person |
Lining | 10-denier nylon |
Sleeping Bag Shape | Mummy |
Fits Up To (in.) | Long: 78 inches Double: 78 inches |
Shoulder Girth (in.) | Long: 65 inches Double: 105 inches |
Hip Girth (in.) | Long: 65 inches Double: 105 inches |
Stuff Sack Volume | Long: 13 liters Double: 20 liters |
Compressed Volume | Long: 7.6 liters Double: 14.3 liters |
Gender | Unisex |
Sustainability | Down certified to the Responsible Down Standard (RDS) |