The Spark Ultralight Mummy Sleeping Bag Series spans everything from an ultralight down-filled liner, to a mid-winter fast-and-light sleeping bag. Each model uses premium materials and no-frills design to provide cutting-edge performance.
Ultralight does not mean ultra-tight: The Spark mummy sleeping bags are snug but still have adequate wiggle room for the performance-oriented, backcountry user.
- ULTRA-DRY Down 850+ Loft 90% Down Cluster Premium Goose Down certified Responsible Down Standard (RDS)
- 10D shell and 7D liner materials help to achieve the incredible lightweight and compact packed size
- Includes lightweight Ultra-Sil compression bag and storage cell
- Zipper-length trimmed for gram-saving performance:
- 50°F, 40°F, and 28°F have 1/3-length zippers
- Baffle construction:
- 28°F has baffles in the torso and sewn through in the leg area
- Shape:
- 50°F , 40°F and 28°F - Contoured mummy
Regular | Long | ||
---|---|---|---|
Best Use | Backpacking, Camping, Ultralight | Backpacking, Camping, Ultralight | |
Comes With |
Ultra-Sil™ compression bag and storage cell
|
Ultra-Sil™ compression bag and storage cell
|
|
Fabric |
Ultralight 10D Nylon Shell
|
Ultralight 10D Nylon Shell
|
|
Insulation |
Ultra-Dry Down 850+ Loft
|
Ultra-Dry Down 850+ Loft
|
|
Max User Height |
6 ft. |
6 ft. 6 in. |
|
Weight | 1lb 1.3oz | 1lb 3.8oz | |
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