Mammut - Altitude Down Winter - Down sleeping bag

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  • Free delivery from £ 50 (GB)
  • 2-year warranty
  • 30 days returns policy
  • > 1,200,000 satisfied customers
  • All items in stock
% recommend
100% recommend
Customers say: Easily compressed
Customers say: Easily compressed
Customers say: Lightweight
Customers say: Lightweight
Customers say: Price/performance
Customers say: Price/performance
Customers say: Robust
Customers say: Robust
Adjustable hood
Adjustable hood
Customers say: Water repellent
Customers say: Water repellent
Valuables pocket
Valuables pocket
Coated outer material
Coated outer material
Draft collar
Draft collar
1650 g
Material information & features
Suitable for:
Mummy sleeping bag
Recommended use:
Mountaineering, Expedition
Main material:
100% polyamide
100% down
Inner material:
100% polyester
100% polyurethane
Material note:
Contains non-textile parts of animal
Material type:
Goose down
Fabric treatment:
DWR treated
Fill power:
800 cuin
Down-to-feather ratio:
95/5 (down to feather)
Fair Wear, Responsible Down Standard (RDS)
side zip
Lower limit rating:
-22 °C
Dimensions (outer):
180 cm; 195 cm
1,650 g
adjustable hood, 3D foot box, Draft collar, Valuables pocket
Item No.:
Product description

If you're facing huge challenges in cold temperatures, then the Altitude Down Winter down sleeping bag is the perfect choice! Designed for high altitude mountaineering, this down sleeping bag really shows its strengths with its low weight and yet excellent thermal performance. High-quality goose down keeps the sleeping bag reliably warm, ensuring a restful night when it really matters. The membrane ensures that outside moisture doesn't limit the insulation performance. Several extra chambers are used to keep the down perfectly in position and perfectly protect the feet and head. The box construction ensures noticeably more fill power, which provides heat perfectly!You can perfectly adjust the sleeping bag; the hood and the strong draft collar are easily adaptable, so you don't need to fight with them and can simply make use of their helpful features. The zip is relatively long so you can easily get inside the sleeping bag. Of course it is designed in a way that no cold spots can form. A practical inside pocket provides safe and warm storage for your important items. This fantastic down sleeping bag is finished off by an anatomical cut which quickly provides cozy warmth. If you want to climb high, then Altitude Down Winter by Mammut is the perfect choice! ;

Alpinetrek expert Kay

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Jonathan's profile picture
| Stuttgart

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by Jonathan helpful

  • Advantages
    Easily compressed
    Draft collar
    Water repellent
    Adjustable hood

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