Men's Mountaineering Down Jacket - Alpinism Light Blue



Made for
Ultra-light & compressible, it packs down into its pocket. Its ergonomic design provides excellent freedom of movement in use and the two-way zip gives easy access to the harness.
Sizes guide

This product is no longer in stock
WarmthTemperature rating use = -10°C. Duck down: 90% down 10% feather
Compact designFill power = 800 Cuin (IDFB standard). Store the jacket in its pocket
Freedom of movementTight-fitting cut with armholes suitable for mountaineering.
Ease of useTwo-way zip lets you open the jacket from the bottom to access the harness.
Pockets2 hand warmer pockets, 1 chest pocket, 1 storage pocket built into the jacket.
RepairExtend the life of your jacket with the adhesive repair patch included.
Warranty2 Years
Technical Information

Thermal insulation
Duck down containing 90% down and 10% feather with a fill power of 800 Cuin (IDFB standard). Jacket's assembly is partitioned, as is the hood. Pocket volume with jacket inside: 3.5 L (Size L) * Duck down traceability ensured by the “Responsible Down Standard” certification. This allows us to guarantee that our down comes from ducks raised for their meat, that were neither force-fed nor plucked alive:
Temperature rating use
Our jackets are lab-tested in a climatic chamber to establish the temperature ratings. For moderate activity in 5 km/h wind, this jacket is suitable for temperatures down to -10°C.
Ultra-lightweight Jacket 380 g - Size L. Main compo: 40 g/m² It’s the ideal piece of clothing to put at the bottom of your bag and take out when it gets cold.
Freedom of movement
Slim fit and ergonomic design with armholes suitable for mountaineering (gullies, ice climbing, ridge climbs, ski touring). Hood volume enabling to wear hood over the helmet
Ease of use
Two-way front zip allowing you to partially open jacket making it easier to belay and rope up.
A score to compare the environmental impact of products
The environmental impact of the product is calculated over its entire life cycle using different indicators. An overall score (ABCDE) is attributed to help you easily identify the products with the best environmental performance by comparing products of the same type with one another (t-shirts, trousers, backpacks, etc.). Decathlon has voluntarily opted to apply this environmental labelling scheme. For more information, visit:
Weight of down lining:
- S = 105 gr - M = 111 gr - L = 117 gr - XL = 123 gr - XXL = 130 g
Washing guidelines
CAUTION! Machine-wash your duvet jacket on its own at 30°C and with 3 or 4 tennis balls. Wring out / spin as little as possible. Dry it in the tumble-dryer with 3 or 4 tennis balls. If you follow these recommendations, your jacket will come out as voluminous as it went in. More information is available via the following link: Decathlon Website
Information / Concept / Technology
Main fabric : 100.0% Polyamide Lining : 100.0% Polyamide Padding : 90.0% Grey Duck Down, Padding : 10.0% Grey Duck Feather Pocket : 100.0% Polyamide

Team SIMOND mountaineers for mountain ascents, e.g.: Rochefort Ridge, Mont Blanc Massif.

Stockage tips
To ensure down inflates when jacket is not being used, store it unpacked in a dry and well-ventilated place.
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