The Sea To Summit Ascent -9C Down Sleeping Bag Regular is a versatile sleeping bag designed for multiple seasons, offering comfort and warmth in lower temperature ratings. Crafted with 750+ fill power goose down with Ultra-Dry Down treatment free of perfluorochemical (PFC), this sleeping bag ensures superior insulation and moisture resistance. The lightweight recycled 20D nylon shell with a PFC-free durable water repellent (DWR) finish and 20D recycled nylon liner provide durability and protection against wind and moisture. Its innovative Free-Flow zipper system allows for optimal ventilation and versatility. For added convenience, this sleeping bag can be zipped with another compatible sleeping bag to accommodate different sleeping arrangements.

Key Features:

  • Seasons: 3, suitable for colder weather
  • Lower temperature rating: Comfortable down to -9°C
  • 750+ fillpower goose down: Responsible Down Standard (RDS)-certified high loft provides maximum thermal performance
  • Recycled 20D nylon shell with a PFC-free DWR treatment: Keeps the bag dry, light, and durable
  • 20D recycled nylon liner: Ensures improved comfort throughout the night
  • Free-Flow zipper system: Triple-zip design offers maximum warmth and efficiency as well as ventilation options and ease of access
  • Box baffle construction: Reduces down shift and maximises warmth retention
  • Mummy shape: More relaxed yet provides efficient warmth
  • Technical hood: Maximises warmth retention with room to fit an Aeros pillow
  • Draft tubes on zippers: Keeps warm air inside the bag and prevents cold air from entering the bag
  • Comes with Ultra-Sil compression bag and storage cell: For compact packing and storage
  • Can be zipped with another compatible sleeping bag: Can be coupled with a women's Ascent or most Sea To Summit women's sleeping bags

Brand : Sea To Summit

SKU: S2ST-ASL041101-052003

Model # : ASL041101-052003

Barcode : 9327868157808  (AD-2)

Gender : Womens

Gender : Unisex

Gender : Mens

Product Family : Ascent

Length : Regular

Shape : Mummy

Zipper Position : Dual Zipper

Insulation Type : Down

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

Weight : 1020g

Compressed Volume : 7.5L

Compression Sack Size : 13L

Fill Weight : 540g

Fits Up to User Height : 185cm

Free shipping on orders over $140 to Australia*
Shipping on small orders (under $140) only $9.95
Shipping on all orders to NZ only $9.95
Express shipping to Australia & NZ only $15

Standard Shipping (AU) – FREE on orders over $140 and $9.95 on orders under $140. 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.

  • 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).
  • 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

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