Built for fast-and-light adventures, this Sea to Summit Spark Ultralight sleeping bag liner is a great pick for summer overnights or boosting your sleeping bag’s warmth on chillier trips.
Features
- 7-denier shell and 7-denier liner materials help to achieve an impressively light weight and compact packed size
- 850-fill-power down provides cozy warmth
- Sewn-through quilted construction makes this an incredibly light and compact bag
- 1/3-length zipper
- Includes lightweight Ultra-Silâ„¢ compression bag and storage cell
Imported.
Technical Specs
| Best Use | Backpacking |
|---|---|
| Tested Comfort | 50 degrees (F) – ISO |
| Temperature Rating (F) | 50 degrees (F) |
| Temperature Rating (C) | 10 degrees (C) |
| Weight | Regular: 7.9 ounces Long: 9.2 ounces |
| Ultralight | Yes |
| Shell | 7-denier nylon |
| Zipper Location | Left |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | Ultra-dry down |
| Fill Weight | Regular: 3.2 ounces Long: 4.8 ounces |
| Lining | 7-denier nylon |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | Regular: 72 inches Long: 78 inches |
| Shoulder Girth (in.) | Regular: 59 inches Long: 62 inches |
| Hip Girth (in.) | Regular: 51 inches Long: 54 inches |
| Stuff Sack Size | Regular: 3.75 x 7 inches Long: 3.75 x 8 inches |
| Stuff Sack Volume | Regular: 2.2 liters Long: 2.5 liters |
| Compressed Volume | Regular: 0.9 liters Long: 1.3 liters |
| Gender | Unisex |


























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