Last updated at 07/10/2026 16:36:31
Sea To Summit Spark Down Sleeping Bag Regular / -18C/0F
Free delivery
Sea to Summit Spark Down Sleeping Bag -18C|0F - Regular
Free delivery between Fri – Wed
Sea To Summit Spark -18C Down Sleeping Bag Regular
Free next-day delivery
Sea to Summit Spark -18°C / 0°F Ultra Dry Down Sleeping Bag (Regular) Grey / Yellow
Free delivery between 12–19 Oct
Spark Down Sleeping Bag - -18C | Regular | Sea to Summit
Free delivery
| Brand | Sea to Summit |
| Shape | Mummy |
| Department | Women's |
| Long | Yes |
| Water Resistant | Yes |
Sea To Summit Spark Down Sleeping Bag Regular / -18C/0F
Free delivery
Sea to Summit Spark Down Sleeping Bag -18C|0F - Regular
Free delivery between Fri – Wed
Sea To Summit Spark -18C Down Sleeping Bag Regular
Free next-day delivery
Sea to Summit Spark -18°C / 0°F Ultra Dry Down Sleeping Bag (Regular) Grey / Yellow
Free delivery between 12–19 Oct
Spark Down Sleeping Bag - -18C | Regular | Sea to Summit
Free delivery
| Brand | Sea to Summit |
| Shape | Mummy |
| Department | Women's |
| Long | Yes |
| Water Resistant | Yes |
Sea To Summit Spark -18C 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 -18C 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 5 offers
The lowest price for Spark Down Sleeping Bag (7C, -1C, -9C & -18C) - -18C | Regular | Sea to Summit right now is $791.90 at Wallaroo Adventure Store, compared across 5 retailers.
The all-time low was $499.99 on 2 Aug 2026 — today's price is 58% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 7 Oct 2026.
Spark Down Sleeping Bag (7C, -1C, -9C & -18C) - -18C | Regular | Sea to Summit
Sea To Summit Spark -18C 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 -18C 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.
