Specifications

Brand : Sea To Summit

Model # : ASL041101-330401

Barcode : 9327868157822 (CD)

Gender : Womens

Shape : Mummy

Insulated : Yes

Self-Inflating : No

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

Weight : 893g

Compressed Volume : 6.8L

Compression stack : 10L

Fill weight : 459g

Fits up to height : 170cm

Temperature rating (ISO lower limit) : -8°C

Women’s Temp Rating (ISO comfort) : -1°C

Insulation : RDS certified, 750+ non-PFAS Ultra-Dry Down

Crafted for adventurous women seeking versatility and comfort, the Sea to Summit Ascent -1°C Down Women’s Sleeping Bag Regular is a standout choice for backcountry travellers. Constructed as a true three-season backcountry bag, it adapts easily from chilly alpine nights to warm summer camping. With a lightweight 20D recycled nylon shell with non-Per- and Polyfluoroalkyl Substances (PFAS) DWR finish and 20D recycled nylon liner, it balances eco-conscious construction with reliable durability and packability. The fill features Responsible Down Standard (RDS) Certified 750+ Ultra-Dry Goose Down, treated with a non-PFAS Ultra-Dry Down treatment for dependable insulation even in damp conditions. A women’s specific fit offers enhanced comfort with wider hips, narrower shoulders, and targeted insulation zones to retain warmth where it’s needed most. The Free-Flow Zip system offers exceptional temperature control, allowing users to vent, convert the bag into a quilt, or even wear it at camp. For added integration, the Quiltlock system secures compatible quilts for greater warmth in cold climates. A spacious anatomical footbox with warmth retention further boosts comfort, especially for side sleepers. The bag comes with a 40D recycled, bluesign approved nylon compression bag, ensuring compact storage without environmental compromise.

Key Features:

  • Three-season backcountry bag: Ideal for varied weather conditions from early spring to late autumn.
  • Lightweight 20D recycled nylon shell with non-PFAS DWR finish and 20D recycled nylon liner: Combines durability, sustainability and packability.
  • RDS Certified 750+ Ultra-Dry Goose Down Insulation: Ethically sourced, high-loft insulation with exceptional warmth-to-weight ratio.
  • Non-PFAS Ultra-Dry Down treatment: Provides superior water resistance without harmful chemicals.
  • Free-Flow Zip system: For multi-directional ventilation, quilt conversion, and thermal management.
  • Quiltlock system: Securely connects quilts for added insulation in freezing conditions.
  • Women’s specific fit: Tailored shape improves thermal efficiency and sleeping comfort.
  • Anatomical footbox with warmth retention: Designed for natural foot positioning and reduced heat loss.
  • Comes with 40D recycled, bluesign approved nylon compression bag: Packs down small while aligning with eco-responsibility.

Specifications

Brand : Sea To Summit

Model # : ASL041101-330401

Barcode : 9327868157822 (CD)

Gender : Womens

Shape : Mummy

Insulated : Yes

Self-Inflating : No

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

Weight : 893g

Compressed Volume : 6.8L

Compression stack : 10L

Fill weight : 459g

Fits up to height : 170cm

Temperature rating (ISO lower limit) : -8°C

Women’s Temp Rating (ISO comfort) : -1°C

Insulation : RDS certified, 750+ non-PFAS Ultra-Dry Down

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

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