The Spark Pro has been optimised for comfort, versatility and light weight. Sea to Summit's highest-lofting down - 900+ fillpower RDS-certified goose down with a non-PFC Ultra-Dry Down treatment - is wrapped in extremely breathable 10D fabrics. The Free-Flow Zip system ensures maximum ventilation and the flexibility to open the bag flat as a quilt. Zip a Spark Pro to a Women's Spark and share the comfort with your companion.
The Spark Pro has been optimised for comfort, versatility and light weight. Sea to Summit's highest-lofting down - 900+ fillpower RDS-certified goose down with a non-PFC Ultra-Dry Down treatment - is wrapped in extremely breathable 10D fabrics. The Free-Flow Zip system ensures maximum ventilation and the flexibility to open the bag flat as a quilt. Zip a Spark Pro to a Women's Spark and share the comfort with your companion.
in 25 offers
The lowest price for Sea to Summit Spark Pro 900+ -9C|15F Down Sleeping Bag - Long - Beluga right now is $694.90 at Wallaroo Adventure Store, compared across 17 retailers.
The all-time low was $647.00 on 25 May 2026 — today's price is 7% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 19 Oct 2026.
Sea to Summit Spark Pro 900+ -9C|15F Down Sleeping Bag - Long - Beluga
The Spark Pro has been optimised for comfort, versatility and light weight. Sea to Summit's highest-lofting down - 900+ fillpower RDS-certified goose down with a non-PFC Ultra-Dry Down treatment - is wrapped in extremely breathable 10D fabrics. The Free-Flow Zip system ensures maximum ventilation and the flexibility to open the bag flat as a quilt. Zip a Spark Pro to a Women's Spark and share the comfort with your companion.
The Spark Pro has been optimised for comfort, versatility and light weight. Sea to Summit's highest-lofting down - 900+ fillpower RDS-certified goose down with a non-PFC Ultra-Dry Down treatment - is wrapped in extremely breathable 10D fabrics. The Free-Flow Zip system ensures maximum ventilation and the flexibility to open the bag flat as a quilt. Zip a Spark Pro to a Women's Spark and share the comfort with your companion.
Last updated at 19/10/2026 04:36:36
Sea To Summit Spark Pro Down Sleeping Bag -1C/30F / Long
Free delivery
Sea To Summit Spark Pro 900+ Down -1C Sleeping Bag Long Black
Free delivery between Tue – Wed
Sea to Summit Spark Pro Down Sleeping Bag -1C|30F - Long
Free delivery between 21–26 Oct
Sea To Summit Spark Pro Sleeping Bag - -1C/30F LONG
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Spark 900+ Pro -1C Down Sleeping Bag
Free delivery between Wed – Sat
Sea to Summit Spark Pro Down Sleeping Bag -1C|30F / Long
Delivery between 23–27 Oct $13.90
Spark Pro Down Sleeping Bag -1C, Long
Free delivery
Sea To Summit Spark Pro 900+ Down Sleeping Bag -1°C / Long
Delivery between 22–30 Oct $9.95
Sea To Summit Spark Pro Down Sleeping Bag -1C Long
Delivery between Thu – Fri $4
Sea To Summit Spark Pro 900+ -1c|30f Down Sleeping Bag - Long - Beluga
Free delivery
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| Brand | Sea to Summit |
| Shape | Mummy |
| Department | Women's |
| Long | Yes |
| Water Resistant | Yes |
Sea To Summit Spark Pro Down Sleeping Bag -1C/30F / Long
Free delivery
Sea To Summit Spark Pro 900+ Down -1C Sleeping Bag Long Black
Free delivery between Tue – Wed
Sea to Summit Spark Pro Down Sleeping Bag -1C|30F - Long
Free delivery between 21–26 Oct
Sea To Summit Spark Pro Sleeping Bag - -1C/30F LONG
Free delivery
Spark 900+ Pro -1C Down Sleeping Bag
Free delivery between Wed – Sat
| Brand | Sea to Summit |
| Shape | Mummy |
| Department | Women's |
| Long | Yes |
| Water Resistant | Yes |
