Sea To Summit Spark Pro -9C Down Sleeping Bag Long

Specifications

Brand : Sea To Summit

Model # : ASL041071-210106

Barcode : 9327868158188 (CD)

Gender : Unisex

Length : Long

Shape : Mummy

Zipper Position : Left

Insulation Type : Down

Lower Temperature Limit (degrees Celsius) : -5 to -9

Temperature Rating : 15°F | -9°C

Weight : 1lb 14.4oz | 861g

Compressed Volume : 7.9L

Compression Sack Size : 13L

Recommended User Height : Up to 198cm | 6ft 6in

The Sea to Summit Spark Pro -9C Down Sleeping Bag Long offers warmth, comfort, and versatility. With a lower temperature rating of -9C, this sleeping bag is perfect for three-season use. It features 900+ fill power (updated from 950+ to 900+ per supplier update June 2025) responsible down standard (RDS) certified goose down, treated with a non-PFC Ultra-Dry Down treatment to maintain loft and warmth even in damp conditions. The 10D nylon liner and shell, both with PFC-free durable water repellent (DWR), ensure durability and breathability. The Spark Pro is designed with a technical hood, anatomical footbox, ergonomic mummy shape, and a front draft collar for enhanced comfort. The YKK #5 zippers with zipper plough provide smooth operation, while the full box baffles prevent down migration, ensuring consistent insulation. Additionally, the Ultra-Sil Compression Bag and Storage Cell make it easy to pack and transport this high-performance sleeping bag.

Key Features:

Weight: 861g.
Height: 198cm.
Compressed Volume: 7.9L.
Lower Temperature Rating: -9C, suitable for three-season use.
900+ Fill Power Goose Down: High loft and excellent warmth-to-weight ratio.
Non-PFC Ultra-Dry Down Treatment: Maintains loft and warmth even in damp conditions.
10D Nylon Liner and Shell: Durable, lightweight, and breathable with PFC-free DWR.
Technical Hood: Designed for warmth and comfort.
Front Draft Collar: Adds extra insulation around the neck area.
Anatomical Footbox: Provides extra space and comfort for feet.
Ergonomic Mummy Shape: Ensures a snug fit for maximum warmth.
YKK #5 Zippers with Zipper Plough: Smooth and snag-free operation.
Full Box Baffles: Prevent down migration for consistent insulation.
Ultra-Sil Compression Bag and Storage Cell: Facilitates compact packing and easy storage.

Specifications

Brand : Sea To Summit

Model # : ASL041071-210106

Barcode : 9327868158188 (CD)

Gender : Unisex

Length : Long

Shape : Mummy

Zipper Position : Left

Insulation Type : Down

Lower Temperature Limit (degrees Celsius) : -5 to -9

Temperature Rating : 15°F | -9°C

Weight : 1lb 14.4oz | 861g

Compressed Volume : 7.9L

Compression Sack Size : 13L

Recommended User Height : Up to 198cm | 6ft 6in

Free shipping on orders over $100 to Australia & NZ*

Shipping on small orders (under $100) only $9.95

Express shipping to Australia & NZ only $15

Shipping Options

Standard Shipping (AU/NZ) – FREE on orders over $100 and $9.95 on orders under $100. Orders are dispatched within 1 business day. Click here for shipping delivery times

Select ‘Standard Shipping – Auspost Only’ if you would prefer your parcel is sent with Auspost. Otherwise it will be shipped with any of our available carriers. Auspost Only shipping is not available on some very heavy/bulky orders.

Express Shipping (AU/NZ) – Need it faster? Express Shipping is available for $15. Express Shipping is not available on heavy/bulky orders. Orders placed before midday on business days are usually dispatched same day (otherwise within 1 business day). Delivery times in the table below.

Click and Collect – Shop online and collect in our Milton, Brisbane store, free for all orders. Orders are usually ready within 2 hours (during opening hours). Click here for address and opening hours.

Terms and conditions apply, click here for a full overview of our shipping policies

Manufacturing defects covered, replaced or repaired if soon after purchase.

At a glance:

If you have selected the wrong product/size for you, or want to exchange/return for any reason except for warranty or our error, this is referred to as a 'change of mind' return.
Not all products are eligible for change of mind returns (click here for excluded products). Final Clearance products are not eligible for change of mind returns.
Once you submit a Return Request, we will provide return instructions via email (along with a prepaid return label if applicable). Please wait to receive this before returning any items (Try 2 Anything excluded)
Change of mind returns can be resolved by your choice of exchange, full store credit, or a refund. Refunds are subject to a $19.95 admin fee.

For a full overview of our returns and warranty policies, see Returns and Warranties