







🛌 Elevate your outdoor sleep game with tailored warmth and featherlight freedom!
The Sea to Summit Spark Women's Ultralight Down Sleeping Bag is a premium, mummy-style sleeping bag engineered specifically for women. Featuring 850+ loft Ultra-Dry Goose Down insulation, it delivers an optimal warmth-to-weight ratio at just 408g, rated for mild weather down to 7°C. Its contoured design with narrower shoulders and wider hips maximizes thermal efficiency, while the durable, water-repellent 10D nylon shell and breathable lining ensure comfort and protection. Perfect for ultralight backpacking and bikepacking, it packs down compactly with an included compression bag and meets Responsible Down Standard for ethical sourcing.




| Age range | Adult |
| Color | Grey & Yellow |
| Size | Regular |
| Style | 45 degrees |
| Insulation material | Down |
| Item display length | 71.3 inches |
| Weight | 408 g |
| Item display width | 28 inches |
| Shape | Mummy |
| Material type | Nylon |
| Maximum height recommendation | 170 Centimetres |
| Outer material | Nylon |
| Seasons | Summer |
| Sport | Backpacking |
| Batteries included? | No |
| Brand | Sea to Summit |
| Fill material | Down |
| Department | Women's |
| Manufacturer | Sea to Summit |
| Item model number | SS-DB-STSSPRKW-7C-REG |
| Product Dimensions | 181.1 x 71.12 x 7.62 cm; 408.23 g |
| ASIN | B0CTD8927W |
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