400T 20D Mummy Goose Down Sleeping Bag 0 to −5°C
400T 20D Mummy Goose Down Sleeping Bag 0 to −5°C
400T 20D Mummy Goose Down Sleeping Bag 0 to −5°C
400T 20D Mummy Goose Down Sleeping Bag 0 to −5°C
400T 20D Mummy Goose Down Sleeping Bag 0 to −5°C
400T 20D Mummy Goose Down Sleeping Bag 0 to −5°C
400T 20D Mummy Goose Down Sleeping Bag 0 to −5°C

400T 20D Mummy Goose Down Sleeping Bag 0 to −5°C

Regular price149,90 €
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Technical goose down sleeping bag, mummy cut. Designed for hiking, bivouacking, and mountaineering in 3 seasons to moderate winters. High-loft insulation, 20D water-repellent fabrics, close-fitting cut to retain warmth.

Shell and lining in 400T 20D nylon with water-repellent treatment: water beads up, the down stays dry longer. 95% white goose down filling with a fill power of ≈ 750 cuin for an excellent warmth-to-weight ratio. H-shaped partitioning to eliminate thermal bridges. Wraparound hood with double drawstring, anti-cold collar, anatomical footbox. Two-way side zip with insulated flap, anti-snag tab and Velcro fastening at the top.

Usable dimensions 210 × 80 × 50 cm (shoulders × feet). Compression bag provided to reduce the volume in the backpack. Visible colors: lake blue/anthracite, dark brown/grey, yellow/grey. Adult.

Technical characteristics and advantages

  • Target thermal range: comfort ~+5 to 0°C, limit −5°C depending on insulation and clothing.
  • High-loft filling: 95% goose down ≈ 750 cuin, high warmth, very good compressibility.
  • 20D 400T lightweight fabrics: tear-resistant, windproof, durable water-repellent treatment.
  • Optimized thermal: H-shaped baffles, collar and adjustable hood limiting heat loss.
  • Comfort of use: two-way zip for foot ventilation, weather-stripping flap, anti-pinch.
  • Ergonomics: footbox 50 cm, shoulder width 80 cm, length 210 cm.
  • Weight and volume: ≈ 1.15 kg complete, compressed ~30 × 18 cm.
  • Weather resistance: windproof, water-repellent, odorless and colorfast materials.
  • Contents: 1 sleeping bag + 1 compression bag.

Each order is carefully prepared in collaboration with our logistics center.

Shipping generally takes place within 24 to 48 working hours after validation.

  • Average delivery times in mainland France: 3 to 12 working days
  • Tracked delivery with tracking number sent by email

Areas served :

Metropolitan France and also in Spain, Belgium, Hungary, Bulgaria, Croatia, Greece, Ireland, Poland, Czech Republic, Luxembourg, Portugal, Malta.

Order tracking :

A tracking link is sent upon shipment. You can track the progress at any time via the dedicated page.

Each order is carefully prepared in collaboration with our logistics center.

Shipping generally takes place within 24 to 48 working hours after validation.

  • Average delivery times in mainland France: 3 to 7 working days
  • Tracked delivery with tracking number sent by email

Areas served :

We deliver throughout the European Union (excluding Malta) as well as to the United States, Canada and Australia.

Order tracking :

A tracking link is sent upon shipment. You can track the progress at any time via the dedicated page.

Product warranty:

Because your equipment must last, all our products are covered by the 2-year legal guarantee of conformity (EU) from delivery.


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Our sure values

Your shelter, your security

Whether it's rain, wind, or cold, a good shelter makes all the difference. Our selection prioritizes models that truly protect against the elements: stable structures, protective canvas, and designs adapted to diverse environments. For you, staying dry and sheltered is no longer an option.

Our sure values

A selection made to last

Each product is chosen for its durability and ability to withstand real-world conditions: strong seams, wear-resistant fabrics, and a design designed for repeated use. Fewer compromises, more reliability for all your outings.

Our sure values

Sleep better, wherever you are

Whether you're bivouacking in the forest, camping in the mountains, or simply making an impromptu stopover, our sleeping solutions adapt to your needs. Optimized comfort, simple setup, and a compact size ensure a truly restful night's sleep without weighing down your pack. Because good sleep is the key to a successful adventure.

Your questions, our answers

Arknor designs technical, lightweight and durable equipment for hiking, trekking and bivouacking.

Simple design, high-quality materials to protect from the elements, to be forgotten when moving and to last over time.

As soon as your order is validated, we prepare it within 24 to 48 business hours . You will receive a confirmation email , then a tracking link as soon as it is shipped. Delivery generally takes between 3 and 9 business days , depending on your location. You will be kept informed and can track your package at each stage.

Yes. All our shipments are insured from the warehouse to your door . In case of loss or damage to the package, we will file a carrier claim and replace or refund it at no cost to you.

Yes, as long as the package hasn't been shipped. A quick message is sufficient. Once the package is in transit, you'll have to wait for receipt to make a return . In all cases, our team remains available to assist you.

Yes. All transactions are encrypted and processed through certified providers such as VISA , PayPal , or MasterCard . Your banking information is never stored or accessible by us.

By email, via our form , or through our networks. We generally respond within 24 business hours , with a human, direct, and jargon-free response. Our support is clear, professional, and solution-oriented.

Excellent

Rated 4.8/5 based on +3,000 customer reviews

The bag is great!

The bag is made of high-quality materials. The details and colors are identical to those shown on the website. It has an exterior pocket.

Sportingly, Fabrice

Fabrice

Sep 09, 2025

Excellent..

The product is excellent and of good quality, this is the second time I have ordered from arknor.com and honestly have no complaints. Thank you.

T******

Oct 09, 2025

Great but...

Delivery was fast, but the package arrived two days late due to a problem with the Post Office. The packaging arrived intact. We'll get a second one, which is very convenient.

*****

Mar 27, 2025

A big YES

Excellent product... comes with everything you need... quality materials... and most importantly, you don't break the bank. Thank goodness... ha ha ha... I recommend it 1000x

Etienne

Sep 08, 2025

Rather impressed

I'm impressed! Excellent outer material, with inner lining and separation between the upper and lower parts. On the semi-rigid side, the belt is not structured, but the weight distribution is effective and comfortable!

Max R.

Oct 06, 2025

Alright

The backpack is great. It's large, has multiple compartments, and back support. The only downside is that the zippers were all open. Otherwise, nothing to report. Thank you, Antoine T.

Antoine T

Feb 18, 2025

Very good quality.

Very good quality. I am very satisfied with this sleeping bag. It contains a good amount of down and the zippers are of good quality. Perfect size. I am 1.89 meters tall and it is very comfortable for me.

********

Jan 14, 2025

Tent Order

The tent is very light, I haven't had the chance to test it yet. I'll try to give my opinion after using it but otherwise it's great, thank you! AM

AM

May 02, 2025

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Receive your order in 3 to 9 days at a relay point or at home anywhere in France

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