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 25 offers
The lowest price for Sea to Summit Spark Down Sleeping Bag right now is $637.46 at ultralightgear.com.au, compared across 25 retailers.
The all-time low was $594.99 on 9 Dec 2025 — today's price is 7% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 22 Sept 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 22/09/2026 23:17:31
Sea To Summit Spark Down Sleeping Bag -9C Long
Delivery between Mon – Tue $4
Spark Down Sleeping Bag -9°C
Free delivery
Sea To Summit Spark Down Sleeping Bag Long / -9C/15F
Free delivery
Sea To Summit Spark Down -9c Sleeping Bag Long Black
Free delivery between Thu – Sat
Sea to Summit Spark -9C/15F Down Sleeping Bag - Long
Free delivery between Fri – Tue
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 $41.99
Sea To Summit Spark -9C Down Sleeping Bag Long
Free next-day delivery
Sea to Summit Spark -9°C / 15°F Ultra Dry Down Sleeping Bag (Long Mummy) - Grey / Yellow
Free delivery between 25 Sept – 2 Oct
Sea to Summit Spark Down Sleeping Bag Men's -9°C / Long
Delivery between 28 Sept – 7 Oct $9.99
Sea To Summit Spark Down Sleeping Bag -9C Long
Delivery between Mon – Tue $4
Spark Down Sleeping Bag -9°C
Free delivery
Sea To Summit Spark Down Sleeping Bag Long / -9C/15F
Free delivery
Sea To Summit Spark Down -9c Sleeping Bag Long Black
Free delivery between Thu – Sat
Sea to Summit Spark -9C/15F Down Sleeping Bag - Long
Free delivery between Fri – Tue
