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Sea to Summit Spark -18C Down Sleeping Bag Long

Sea to Summit Spark -18C Down Sleeping Bag Long

The Spark -18C Down sleeping bag is ideal for a sleeping bag that can also be unpacked in winter. The 850cuin down combined with the mummy cut creates an efficient thermal performance. Despite its thick and functional insulation, the sleeping bag is comparatively light at 1113g at 185cm. The RDS-certified down is treated to be pfc-free and offers excellent warmth even when damp. The comfort of the sleeping bag is extremely high, the double thermal collar and hood provide a comfortable, cozy feeling. The 10D polyamide outer and inner material is extremely robust, so the sleeping bag is durable with a lot of use and especially when sleeping outdoors and you can experience plenty of adventures with it.

The Spark -18C Down sleeping bag is ideal for a sleeping bag that can also be unpacked in winter. The 850cuin down combined with the mummy cut creates an efficient thermal performance. Despite its thick and functional insulation, the sleeping bag is comparatively light at 1113g at 185cm. The RDS-certified down is treated to be pfc-free and offers excellent warmth even when damp. The comfort of the sleeping bag is extremely high, the double thermal collar and hood provide a comfortable, cozy feeling. The 10D polyamide outer and inner material is extremely robust, so the sleeping bag is durable with a lot of use and especially when sleeping outdoors and you can experience plenty of adventures with it.

$687.00 - $1,089.69

in 21 offers

The lowest price for Sea to Summit Spark -18C Down Sleeping Bag Long right now is $687.00 at Ubuy Australia, compared across 19 retailers.

The all-time low was $499.99 on 29 Oct 2026 β€” today's price is 37% above the lowest ever. It has been notably cheaper before β€” worth setting a price alert.

Sea to Summit Spark -18C Down Sleeping Bag Long

$687.00

The Spark -18C Down sleeping bag is ideal for a sleeping bag that can also be unpacked in winter. The 850cuin down combined with the mummy cut creates an efficient thermal performance. Despite its thick and functional insulation, the sleeping bag is comparatively light at 1113g at 185cm. The RDS-certified down is treated to be pfc-free and offers excellent warmth even when damp. The comfort of the sleeping bag is extremely high, the double thermal collar and hood provide a comfortable, cozy feeling. The 10D polyamide outer and inner material is extremely robust, so the sleeping bag is durable with a lot of use and especially when sleeping outdoors and you can experience plenty of adventures with it.

The Spark -18C Down sleeping bag is ideal for a sleeping bag that can also be unpacked in winter. The 850cuin down combined with the mummy cut creates an efficient thermal performance. Despite its thick and functional insulation, the sleeping bag is comparatively light at 1113g at 185cm. The RDS-certified down is treated to be pfc-free and offers excellent warmth even when damp. The comfort of the sleeping bag is extremely high, the double thermal collar and hood provide a comfortable, cozy feeling. The 10D polyamide outer and inner material is extremely robust, so the sleeping bag is durable with a lot of use and especially when sleeping outdoors and you can experience plenty of adventures with it.

Prices last updated 2 Nov 2026.

Size:

Long
Regular

Price comparison

Price data powered by pricesAPI.io

Last updated at 02/11/2026 11:40:25

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=u-buy.com.au&sz=64Ubuy Australia

$687.00

Sea to Summit Spark Down Sleeping Bag

Delivery between 6–10 Nov $41

https://www.google.com/s2/favicons?domain=wallarooadventurestore.com.au&sz=64Wallaroo Adventure Store

$831.50

Sea To Summit Spark Down Sleeping Bag Long / -18C/0F

Free delivery

https://www.google.com/s2/favicons?domain=snowys.com.au&sz=64Snowys Outdoors

$839.90

Sea to Summit Spark Down Sleeping Bag -18C|0F - Long

Free delivery between 4–9 Nov

https://www.google.com/s2/favicons?domain=ultralightgear.com.au&sz=64ultralightgear.com.au

$839.96

Sea To Summit Spark Down Sleeping Bag -18C Long

Free delivery between 6–9 Nov

https://www.google.com/s2/favicons?domain=pastoutdoors.com&sz=64PAST Outdoors

$839.99

Sea to Summit Spark Down Sleeping Bag -18C|0F / Long

Delivery between 9–11 Nov $13.90

https://www.google.com/s2/favicons?domain=thefrontier.com.au&sz=64Frontier - Adventure At Its Core

$849.99

Spark Down Sleeping Bag, -9Β°C / Long

https://www.google.com/s2/favicons?domain=oliunid.com&sz=64Oliunìd

$860.86

Sea To Summit Spark -18C down sleeping bag - Long

Delivery by 10 Nov $64

https://www.google.com/s2/favicons?domain=bananafingers.com&sz=64BananaFingers

$860.86

Sea To Summit Spark -18C down sleeping bag - Long

Delivery $39.10

https://www.google.com/s2/favicons?domain=epictv.com&sz=64epictv.com

$860.86

Sea To Summit Spark -18C down sleeping bag - Long

Delivery $39.10

https://www.google.com/s2/favicons?domain=tradeinn.com&sz=64Techinn.com

$893.99

Sea To Summit Spark-18Β°c Sleeping Bag Yellow Long / Left Zipper

Delivery $41.49

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

BrandSea to Summit
ShapeMummy
DepartmentWomen's
LongYes
Water ResistantYes

Price comparison

Updated 5 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=u-buy.com.au&sz=64
Ubuy Australia

$687.00

Sea to Summit Spark Down Sleeping Bag

Delivery between 6–10 Nov $41

https://www.google.com/s2/favicons?domain=wallarooadventurestore.com.au&sz=64
Wallaroo Adventure Store

$831.50

Sea To Summit Spark Down Sleeping Bag Long / -18C/0F

Free delivery

https://www.google.com/s2/favicons?domain=snowys.com.au&sz=64
Snowys Outdoors

$839.90

Sea to Summit Spark Down Sleeping Bag -18C|0F - Long

Free delivery between 4–9 Nov

https://www.google.com/s2/favicons?domain=ultralightgear.com.au&sz=64
ultralightgear.com.au

$839.96

Sea To Summit Spark Down Sleeping Bag -18C Long

Free delivery between 6–9 Nov

https://www.google.com/s2/favicons?domain=pastoutdoors.com&sz=64
PAST Outdoors

$839.99

Sea to Summit Spark Down Sleeping Bag -18C|0F / Long

Delivery between 9–11 Nov $13.90

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

BrandSea to Summit
ShapeMummy
DepartmentWomen's
LongYes
Water ResistantYes

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