Sea To Summit Trek -18C Down Sleeping Bag Long

A cold-weather sleeping bag rated to -18C, featuring 650+ fill-power duck down, non-PFC Ultra-Dry Down treatment, and a recycled 20D polyester shell with a non-PFC DWR finish.

The Sea to Summit Trek -18C Down Sleeping Bag Long is designed for performance in cold climates, providing ample warmth and comfort for outdoor enthusiasts. With a lower temperature rating of -18C, this sleeping bag is ideal for cold weather camping, overlanding, and van life. It features 650+ fill-power responsible down standard (RDS) certified duck down with a non-PFC Ultra-Dry Down treatment, ensuring superior insulation and moisture resistance. The recycled 20D polyester shell with a non-PFC durable water repellent (DWR) finish and polyester liner offer durability and comfort. The Free-Flow Zip System allows for versatile ventilation, enabling the bag to open flat as a quilt or be worn around camp. The semi-rectangular fit provides additional space and comfort compared to traditional mummy bags. It is lightweight and easy to pack, making it a reliable choice for cold weather adventures.

Key Features:

Weight: 2098g
Height: 198cm
Compressed Volume: 15.9L
Lower Temperature Rating: -18C, suitable for cold climates.
650+ Fill-Power Duck Down: High loft and excellent warmth-to-weight ratio.
Non-PFC Ultra-Dry Down Treatment: Maintains loft and warmth even in damp conditions.
Recycled 20D Polyester Shell with a Non-PFC DWR Finish: Durable and environmentally friendly.
Polyester Liner: Provides comfort and durability.
Free-Flow Zip System: Allows for customizable ventilation and versatile use.
Semi-Rectangular Fit: Offers more space and comfort.

Brand : Sea To Summit

Model # : ASL041172-210206

Barcode : 9327868157976 (AU)

Gender : Womens

Gender : Unisex

Gender : Mens

Product Family : Trek

Length : Long

Shape : Relaxed Mummy

Zipper Position : Left

Insulation Type : Down

Lower Temperature Limit (degrees Celsius) : -15 and below

Temperature Rating :0°F | -18°C

Weight : 4lb 10oz | 2098g

Volume Compressed : 15.9L

Compression Sack Size : 26 L

Recommended User Height : 198cm | 6ft 6in

Shipping Options

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

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.

Returns and Warranties 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