Sea To Summit Spark -9C sleeping bag is the perfect sleeping bag if you are counting grams, but still want to ensure a fantastic night's sleep. Filled with RDS certified 850+ fillpower goose down treated with a PFC-free Ultra-Dry Down treatment, the Spark features a technical hood and a zipper protection tube to retain heat. Comfort is guaranteed by a super breathable 10 denier inner fabric, while a 10D structure with a PFC-free DWR treatment and a highly water-repellent fabric for the hood and bottom of the bag repels wind and condensation. The full-length zip model can be paired with a corresponding Spark for women for comfort that couples can share.
Sea To Summit Spark -9C sleeping bag is the perfect sleeping bag if you are counting grams, but still want to ensure a fantastic night's sleep. Filled with RDS certified 850+ fillpower goose down treated with a PFC-free Ultra-Dry Down treatment, the Spark features a technical hood and a zipper protection tube to retain heat. Comfort is guaranteed by a super breathable 10 denier inner fabric, while a 10D structure with a PFC-free DWR treatment and a highly water-repellent fabric for the hood and bottom of the bag repels wind and condensation. The full-length zip model can be paired with a corresponding Spark for women for comfort that couples can share.
in 28 offers
Sea to Summit Spark Down Sleeping Bag
Sea To Summit Spark -9C sleeping bag is the perfect sleeping bag if you are counting grams, but still want to ensure a fantastic night's sleep. Filled with RDS certified 850+ fillpower goose down treated with a PFC-free Ultra-Dry Down treatment, the Spark features a technical hood and a zipper protection tube to retain heat. Comfort is guaranteed by a super breathable 10 denier inner fabric, while a 10D structure with a PFC-free DWR treatment and a highly water-repellent fabric for the hood and bottom of the bag repels wind and condensation. The full-length zip model can be paired with a corresponding Spark for women for comfort that couples can share.
Sea To Summit Spark -9C sleeping bag is the perfect sleeping bag if you are counting grams, but still want to ensure a fantastic night's sleep. Filled with RDS certified 850+ fillpower goose down treated with a PFC-free Ultra-Dry Down treatment, the Spark features a technical hood and a zipper protection tube to retain heat. Comfort is guaranteed by a super breathable 10 denier inner fabric, while a 10D structure with a PFC-free DWR treatment and a highly water-repellent fabric for the hood and bottom of the bag repels wind and condensation. The full-length zip model can be paired with a corresponding Spark for women for comfort that couples can share.
The lowest price for Sea to Summit Spark Down Sleeping Bag right now is $673.10 at Wallaroo Adventure Store, compared across 28 retailers.
The all-time low was $594.99 on 9 Dec 2025 — today's price is 13% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 6 Oct 2026.
Last updated at 06/10/2026 10:37:35
Sea To Summit Spark Down Sleeping Bag Long / -9C/15F
Free delivery
Sea to Summit Spark Down Sleeping Bag -9C|15F - Long
Free delivery between 8–13 Oct
Sea To Summit Spark Down -9c Sleeping Bag Long Black
Free delivery between Thu – Sat
Sea to Summit Spark -9°C Down Sleeping Bag in Beluga/Black, 100% Nylon, Size: Large
Free delivery between 9–19 Oct
Sleeping Bags Sea to Summit Spark Down Sleeping Bag -9°C Sea to Summit Long
Delivery $114.60
Sea To Summit Spark-9°c Sleeping Bag Yellow Long / Left Zipper
Delivery $42.49
Sea To Summit Spark -9C Down Sleeping Bag Long
Free delivery between Wed – Thu
Sea to Summit Spark -9°C / 15°F Ultra Dry Down Sleeping Bag (Long Mummy) - Grey / Yellow
Free delivery between 9–16 Oct
Sea to Summit Spark Down Sleeping Bag Men's -9°C / Long
Delivery between 9–19 Oct $9.99
Sea to Summit Spark -9C Down Sleeping Bag (2024 New Version) Long
Delivery $31.57
| Color | Beluga Black |
| Temperature Rating | 15°F |
| Closure Type | Zipper |
| Pattern Type | Solid |
| Size | Long, Double, Regular |
Sea To Summit Spark Down Sleeping Bag Long / -9C/15F
Free delivery
Sea to Summit Spark Down Sleeping Bag -9C|15F - Long
Free delivery between 8–13 Oct
Sea To Summit Spark Down -9c Sleeping Bag Long Black
Free delivery between Thu – Sat
Sea to Summit Spark -9°C Down Sleeping Bag in Beluga/Black, 100% Nylon, Size: Large
Free delivery between 9–19 Oct
Sleeping Bags Sea to Summit Spark Down Sleeping Bag -9°C Sea to Summit Long
Delivery $114.60
| Color | Beluga Black |
| Temperature Rating | 15°F |
| Closure Type | Zipper |
| Pattern Type | Solid |
| Size | Long, Double, Regular |
