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Sac de couchage duvet 5 degrés (4°C) | Naturehike AIR300

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239.00 €
144.57 € 239.00 €
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Recommended use
Suited to trekking, randonnée, bivouac use, above 4°C.  At 600 g, it sits among ultralight models, designed for routes where every gram counts.  A down fill gives a high warmth-to-weight ratio but remains sensitive to moisture. A waterproof bivvy bag is advised in damp conditions.
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Delivery €4.90 Free returns within 14 days

Maintenance & storage

Down sleeping bags require a special detergent, long drying at low temperatures, and must be stored unfolded, never compressed for long periods. Synthetic models are more forgiving but follow the same basic principles: cold, gentle, and thoroughly dried before storage.

Returns & exchanges

Returns are accepted within 14 days, for unused products in their original packaging. Please contact customer service before sending any items. Refunds will be issued within 7 to 14 business days of receipt.

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Sac de couchage duvet 5 degrés pour le trekking

Sac de couchage duvet 5 degrés pour le trekking

Le Naturehike AIR300 est un sac de couchage duvet de type momie : confort 4°C, limite -1°C, extrême -17°C (GB/T 38426-2019, équivalent ISO 23537). Il se situe entre le sac de couchage 5 degré et le sac de couchage 0 degré selon le seuil retenu, pour du duvet trekking au printemps et à l'automne. Les valeurs dépendent du matelas, de l'humidité et des vêtements portés.
Duvet de canard 650 cuin réparti en ratio 2:1

Duvet de canard 650 cuin réparti en ratio 2:1

Le garnissage associe 90 % de duvet de canard hydrofuge, 650 cuin, à une répartition de 66,7 % sur le dessus et 33,3 % sous le dos, là où l'isolant s'écrase sous le poids du corps. Des cloisons verticales carrées maintiennent le duvet en place pour limiter les zones froides, un atout pour un duvet chaud sans surpoids.
Sac de couchage leger et compact pour la randonnée

Sac de couchage leger et compact pour la randonnée

Avec 560 à 640 g selon la taille, c'est un sac de couchage leger adapté à la randonnée sac de couchage sur plusieurs jours, et au camping duvet quand le poids compte. Il se comprime en 16 x 16 x 32 cm (6,5 L), ou 16 x 16 x 25 cm (5 L) en compression extrême, pour un sac de couchage compact et un sac de couchage bivouac qui trouve sa place dans un sac à dos.
Col resserrable et coupe 3D contre les pertes de chaleur

Col resserrable et coupe 3D contre les pertes de chaleur

La coupe 3D épouse le corps, le col resserrable de type écharpe et la bande coupe-vent le long de la fermeture éclair YKK limitent les déperditions au niveau du cou et des épaules. Une fermeture latérale côté pieds permet d'aérer, et le tissu 20D antidéchirure est déperlant selon le fabricant. Un sac de stockage en filet est prévu pour le rangement longue durée.
Outil de comparaison Comparer ce sac avec un autre modèle Températures · Poids · Garnissage · Matériaux

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Frequently Asked Questions

The Naturehike AIR300 has a comfort temperature of 4°C and a lower limit temperature of -1°C, measured to the ISO 23537 / GB/T 38426-2019 standard. These values apply under standard conditions: sleeper in thermal base layers, on an insulated sleeping mat. It is designed for trekking, randonnée, bivouac use (Printemps / Automne).

The Naturehike AIR300 is filled with Duvet de canard 90 %, 650 cuin, hydrofuge, 260/280/300 g (S/M/L). Down offers the best warmth-to-weight ratio: it packs down small and weighs less than synthetic insulation of equivalent warmth, which makes it the natural choice for wild camping and multi-day trekking. On the other hand, it loses efficiency when damp and needs careful drying. The Naturehike AIR300 weighs 600 g, which places it in the ultralight category.

A 3-season sleeping bag is designed for spring, summer and autumn. Its comfort temperature sits between 0°C and +5°C, which covers most wild camps in France up to 2,500 m outside winter conditions. In winter or above 2,500 m, a dedicated cold-weather bag is needed.

A 3-season bag is suited to night-time temperatures between roughly 0°C and +15°C. Below 0°C, thermal comfort is no longer assured without extra equipment (liner, additional sleepwear). Above +15°C, most sleepers will find the bag too warm: venting through the foot zip helps regulate.

For the vast majority of walkers and trekkers in France (GR20, GR5, Tour du Mont Blanc from June to September), a 3-season bag with a 0°C comfort rating is sufficient. A 4-season bag is only needed above 3,000 m outside summer, in winter conditions, or for exposed high-altitude wild camps in autumn.