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 84 offers
last seen 25 Oct 2026
The lowest price we last saw for Sea to Summit Spark Down Sleeping Bag was $679.90 at Snowys Outdoors, compared across 28 retailers (last seen 25 Oct 2026). Prices may have changed since.
The all-time low we recorded was $594.99 on 9 Dec 2025.
Prices last updated 25 Oct 2026.
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.
Last updated at 25/10/2026 08:33:36
Sea to Summit Spark Down Sleeping Bag -9C|15F - Long
Free delivery between Tue – Fri
Sea to Summit Spark -9C/15F Down Sleeping Bag - Long
Free delivery
Sea To Summit Spark -9c/15f Down Sleeping Bag - Long
Free delivery
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Sea to Summit Spark -9C/15F Down Sleeping Bag - Long
Delivery between 28 Oct – 5 Nov $10
Sea to Summit Spark -9C/15F Down Sleeping Bag - Long
Free delivery
Sea To Summit Spark Down -9c Sleeping Bag Long Black
Free delivery between Tue – Thu
Sea to Summit Spark -9C/15F Down Sleeping Bag - Long
Free delivery between Wed – Sat
Sea to Summit Spark Ultralight Sleeping Bag, -9, Long
Delivery $32.19
Sea To Summit Spark -9C Down Sleeping Bag Long
Free delivery between Mon – Tue
Sea to Summit Spark -9°C / 15°F Ultra Dry Down Sleeping Bag (Long Mummy) - Grey / Yellow
Free delivery between 28 Oct – 4 Nov
| Color | Beluga Black |
| Temperature Rating | 15°F |
| Closure Type | Zipper |
| Pattern Type | Solid |
| Size | Long, Double, Regular |
Sea to Summit Spark Down Sleeping Bag -9C|15F - Long
Free delivery between Tue – Fri
Sea to Summit Spark -9C/15F Down Sleeping Bag - Long
Free delivery
Sea To Summit Spark -9c/15f Down Sleeping Bag - Long
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Sea to Summit Spark -9C/15F Down Sleeping Bag - Long
Delivery between 28 Oct – 5 Nov $10
Sea to Summit Spark -9C/15F Down Sleeping Bag - Long
Free delivery
| Color | Beluga Black |
| Temperature Rating | 15°F |
| Closure Type | Zipper |
| Pattern Type | Solid |
| Size | Long, Double, Regular |
