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🏔️ Sleeping bag specialist in France

The sleeping bag expert,
for peaceful sleep.

Verified comfort temperatures, documented weight-to-warmth ratios, and realistic usage tips. A selection designed for hiking, trekking, and bivouacking in the Alps and Pyrenees.

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Comfort temperature displayed
EN 13537 / ISO 23537 / GBT 38426 Standard
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Sleeping bags by activity

Each sleeping bag listed here is categorized according to real-world usage criteria: stated comfort temperature, fill type suited to the activity, and documented weight-to-insulation ratio. The extreme cold sleeping bag collection gathers models for winter bivouacking at altitude. The 0 degree sleeping bag collection covers the vast majority of 3-season outings. The trekking sleeping bag collection brings together models focused on weight and compressed volume. The 2-person sleeping bag collection is dedicated to camping as a duo. Four entries, four distinct uses, with no guesswork.

Expertise

Field expertise, not marketing

Duvet Nomade was built on a simple approach: better understanding equipment before choosing it. Behind the shop are nights spent outdoors, packs that were too heavy, others that were ill-suited, and the desire to find a better balance.

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    Comfort temperature highlighted — not the extreme temperature which is only used in emergencies.
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    Documented warmth-to-weight ratio — cuin, actual weight, dimensions on each product sheet.
  • 📐
    EN 13537 / ISO 23537 / GBT 38426 standards — test conditions explained for an informed choice.
  • 🏔️
    Tailored advice for the Alps & Pyrenees — altitude, humidity, actual French conditions.
Discover our history →
NORME EN 13537 / ISO 23537 / GB/T 38426

Comfort, limit, extreme temperature—what they really mean.

Hover over a zone of the thermometer or tap the buttons to see what each temperature rating means in real conditions.

Reference profile
Sleeping position
Sleep duration
In practice

Sleeping bag by temperature

The comfort temperature is the only reliable benchmark for choosing a sleeping bag suited to your actual conditions. An extreme cold sleeping bag (-15°C and below) meets the requirements of mountaineering and winter bivouacking at high altitude. A minus 10°C sleeping bag is suitable for cold nights in mid-mountain areas, excluding extreme conditions. A minus 5°C sleeping bag covers the shoulder season, late autumn, and spring at altitude. A 0-degree sleeping bag remains the most versatile choice for the majority of 3-season trips in France.

Sleeping bag by usage

Each outdoor activity imposes different constraints on a sleeping bag. For a trekking sleeping bag, weight and compressed volume are the priority: every gram counts when hiking autonomously for several days. When camping, comfort and ease of use take precedence over lightness. A 2-person sleeping bag follows a different logic: sharing warmth and space without multiplying gear. A 3-season sleeping bag is aimed at those looking for a single, versatile model capable of covering spring, high-altitude summer, and autumn without having to change equipment. Choose according to actual use, not a generic spec sheet.

All you need to know before choosing

How to choose a sleeping bag?

The choice depends on the comfort temperature (not the limit), the type of insulation (down or synthetic depending on humidity), and the weight according to the mode of transport. For a night in France between 0°C and +10°C, a 0°C comfort bag will cover the majority of your trips.

What's the difference between comfort temperature and limit temperature?

Comfort corresponds to the temperature at which an average sleeper sleeps without feeling cold (EN 13537 standard). The limit is the threshold below which sleep becomes difficult. These values are measured in a laboratory—always base your choice on comfort, never on the limit.

Down or synthetic: which filling should you choose?

Down offers a better weight-to-insulation ratio—suitable for trekking in dry conditions (Alps, Pyrenees). Synthetic retains its insulation when wet and is less expensive—suitable for humid environments or family camping. The choice depends on actual usage conditions, not budget alone.

How do I wash my sleeping bag?

A down sleeping bag is rarely washed: prioritize airing it out, then wash occasionally in a delicate machine cycle using a suitable detergent. A synthetic bag withstands washing better. In any case, avoid fabric softener, spin gently, and dry completely before storage.

What does CUIN mean for a sleeping bag?

The cuin (cubic inches per ounce) measures the fill power of down: it is the volume in cubic inches occupied by one ounce (28 g) of down once released. The higher this number, the more warm air the down traps for a given weight. An 800 cuin fill will therefore offer better insulation than a 650 cuin one of equal mass, while compressing into a smaller volume. It is the main indicator of the warmth-to-weight ratio of a down sleeping bag.

Why are the EN 13537 and ISO 23537 standards important?

The EN 13537 and ISO 23537 standards allow for a more reliable comparison of sleeping bags than a simple "-10°C" rating. Above all, they provide comfort and limit values to help you choose based on the coldest night expected. ISO 23537 is the international evolution of EN 13537: the most useful benchmark remains the comfort temperature.