Everything you need to know about sleeping bags

Actual temperatures, EN 13537 standards, warmth-to-weight ratio, maintenance — factual answers to help you choose with confidence.

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77 articles
Stocker son sac de couchage hors saison : méthodes, conditions et erreurs à éviter
Entretien

Storing your sleeping bag off-season: methods, conditions, and mistakes to avoid

Storing a sleeping bag properly off-season preserves its loft and extends its lifespan to 10–15 years. Three essential conditions: comple...
Sac de couchage ultra-léger : seuils de poids, technologies et compromis selon l'usag
Guide d'achat

Ultralight sleeping bag: weight thresholds, technologies, and trade-offs according to usage

Ultra-light sleeping bags (less than 1kg for a 0°C comfort rating) use 850-900 fill power down and 10-15 denier fabrics, reaching compres...
Sac de couchage femme : différences physiologiques et critères de choix
Guide d'achat

Women's sleeping bag: physiological differences and selection criteria

Women's sleeping bags incorporate real physiological differences: morphology (narrower shoulders, wider hips, average height of 1.60-1.65...
Sac de couchage double : avantages, inconvénients et alternatives pour dormir à deux
Guide d'achat

Double sleeping bag: advantages, disadvantages and alternatives for sleeping as a couple

The double sleeping bag is appealing for its promise of shared warmth and savings. But a 2-person sleeping bag requires real compromises ...
Sac de couchage hiver : critères et températures réelles pour bivouaquer au froid
Guide d'achat

Winter sleeping bag: criteria and real-world temperatures for cold-weather bivouacking

A winter sleeping bag is not chosen like a 3-season bag. In France, "winter" can mean 0°C in the lowlands or -20°C in the high mountains....
Sac de couchage adulte : différences avec un sac enfant et critères de choix
Guide d'achat

Adult sleeping bag: differences from a child's bag and selection criteria

An adult sleeping bag is not chosen the same way as a child's. Size, metabolism, weight, and temperature vary significantly depending on ...
Sac de couchage 2 personnes : avantages et limites
Guide d'achat

2-person sleeping bag: advantages and limitations

2-person sleeping bags are suitable for car camping and van-life where weight (2-3kg) is of little importance. Advantages: shared body he...
Sac de couchage grand froid (-10 à -25°C) : critères alpinisme
Technique

Extreme cold sleeping bag (-10 to -25°C): mountaineering criteria

Extreme cold sleeping bags (-10 to -25°C comfort) are designed for winter mountaineering and polar expeditions. 850-900 cuin down is mand...
Cuin duvet : pouvoir gonflant et performance thermique
Technique

Down fill: fill power and thermal performance

The cuin (cubic inches per ounce) measures the fill power of down: the volume occupied by 28 grams of expanded down. The higher the cuin,...
Drap de sac de couchage : gain thermique, hygiène et polyvalence selon la matière
Technique

Sleeping bag liner: thermal gain, hygiene, and versatility depending on the material

The sleeping bag liner (sleeping bag insert) improves warmth by 3-10°C depending on the material: silk +5°C (150g, €30-50), fleece +8-10°...
Comment plier et ranger un sac de couchage : compression pour le transport, décompression pour le stockage
Entretien

How to fold and store a sleeping bag: compression for transport, decompression for storage

Folding a sleeping bag requires two opposite approaches depending on how it is used. For trekking: maximum compression in a compression s...
Sac de couchage et humidité : sur-sac, duvet hydrophobe, membrane intégrée ou synthétique
Technique

Sleeping bag and humidity: bivy bag, hydrophobic down, integrated membrane, or synthetic

Protecting a sleeping bag from moisture requires trade-offs: a waterproof bivy bag (300-400g, for bivouacking without a tent), hydrophobi...

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