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Sea to Summit Spark -18C Down Sleeping Bag Regular

Sea to Summit Spark -18C Down Sleeping Bag Regular

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.

$599.99 - $1,700.00

in 51 offers

The lowest price for Sea to Summit Spark -18C Down Sleeping Bag Regular right now is $599.99 at eBay.com.au, compared across 24 retailers.

The all-time low was $499.99 on 2 Aug 2026 — today's price is 20% above the lowest ever. That's a little above the best price we've seen.

Sea to Summit Spark -18C Down Sleeping Bag Regular

$599.99

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=ebay.com.au&sz=64eBay.com.au

$599.99

Sea To Summit Spark Down Sleeping Bag

Delivery $17

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!

https://www.google.com/s2/favicons?domain=mansfieldhuntingandfishing.com.au&sz=64Mansfield Hunting & Fishing

$599.99

Sea To Summit Spark Down Sleeping Bag -1C/30F Regular

Free delivery

https://www.google.com/s2/favicons?domain=fairdcanada.com&sz=64Fair D Canada

$612.24

Spark Down Sleeping Bag

https://www.google.com/s2/favicons?domain=desertcart.ae&sz=64Desertcart.ae

$640.92

Sea to Summit Spark Ultralight Down Sleeping Bag

Free delivery between 11–13 Nov

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

$672.80

Sea to Summit Spark Ultralight Down Sleeping Bag

Delivery between 8–11 Nov $29

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

$696.49

Sea to Summit Spark Ultralight Down Sleeping Bag

Free delivery between 11–13 Nov

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

$791.90

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

Free delivery

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

$799.90

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

Free delivery between 4–9 Nov

https://www.google.com/s2/favicons?domain=findyourfeet.com.au&sz=64Find Your Feet

$799.96

Sea To Summit Spark Down Sleeping Bag -18C / Regular

Delivery between 6–16 Nov $9.95

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

$799.96

Sea To Summit Spark Down Sleeping Bag -18C Regular

Free delivery between 6–9 Nov

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 about 22 hours 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=ebay.com.au&sz=64
eBay.com.au

$599.99

Sea To Summit Spark Down Sleeping Bag

Delivery $17

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!

https://www.google.com/s2/favicons?domain=mansfieldhuntingandfishing.com.au&sz=64
Mansfield Hunting & Fishing

$599.99

Sea To Summit Spark Down Sleeping Bag -1C/30F Regular

Free delivery

https://www.google.com/s2/favicons?domain=fairdcanada.com&sz=64
Fair D Canada

$612.24

Out of stock

Spark Down Sleeping Bag

https://www.google.com/s2/favicons?domain=desertcart.ae&sz=64
Desertcart.ae

$640.92

Sea to Summit Spark Ultralight Down Sleeping Bag

Free delivery between 11–13 Nov

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

$672.80

Sea to Summit Spark Ultralight Down Sleeping Bag

Delivery between 8–11 Nov $29

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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