ASP Down Winter
Down Sleeping Bag
£ 689.00
Free Shipping
  • Delivery time: 2-5 working days
  • Free shipping
  • 30-day Return period
  • Free Returns
The ASP Down Winter offers maximum comfort in minimal temperatures and dry conditions. The sleeping bag features stretch inserts in the knee area to allow greater freedom of movement, a great benefit for people who prefer to sleep on their side or with retracted legs. The stretch down-proof fabric allows natural movements and makes the sleeping bag feel amazingly comfortable. From hiking to multi-day ski tours, the ASP Down Winter with 90/10 premium goose down and a fill power of 700 cuin offers excellent warmth to minimal weight and packing volume ratio. The design of the sleeping bag is inspired by the legendary ASP snake, hence its name. A sleeping bag that sets new standards in design and function.


Item no.2410-02440 Total weight without stuff bag [g]1440 Zipper length [cm]145 Packing volume [l]9 Zipper sideLeft Fill weight [g]765 CutBasic


Maximum body size195 cm Inner length (EN 13537:2012)209 cm Comfort temperature limit in °F (EN 13537:2012)16 °F Inner width in foot area (EN 13537:2012)50 cm Comfort temperature limit in °C (EN 13537:2012)-9 °C Construction typeH Box Extreme temperature in °F (EN 13537:2012)-18 °F Extreme temperature in °C (EN 13537:2012)-28 °C Comfort temperature in °F (EN 13537:2012)26 °F Comfort temperature in °C (EN 13537:2012)-3 °C Maximum inner width (EN 13537:2012)78 cm Warm collarYes
  • Maximum sleeping comfort thanks to stretch down-proof fabric
  • Add-on YKK anti-snag zipper pull that prevents the zipper from getting caught on material
  • Block Tapey closure system on the insulation collar is easy to use in the dark and prevents hair from getting trapped
  • Increased comfort and heat performance thanks to the perfectly fitting hood, foot-box design and anatomically shaped insulation collar
  • Custom fit hood and spacious foot area
  • Intuitive adjustment of hood and insulation collar from the inside via a stowable cord that does not disturb your sleep
  • Includes a newly developed, easy-to-use and highly compressible pack bag
  • Includes a newly developed storage bag for better protection and storage of the high-quality sleeping bag

Material & technology

Main Fabric
100% Polyamide
90% Down | 10% Feather
Main Fabric 2
87% Polyamide | 13% Spandex
100% Polyester
Mammut Down 700 cuin RDS - Responsible Down Standard Certified Fair Wear

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Shipping costs
Delivery is free of charge from a purchase value of £150 or more. A delivery charge of £6.95 will be applied to orders below this purchase value.

Delivery lead time
We aim to process all orders as quickly as possible - orders placed before 11 am (Mon-Fri) are generally dispatched on the same day. Orders placed after this time are dispatched the next working day at the latest, which means the delivery lead time is generally 2-5 working days. You will receive a dispatch confirmation including a tracking number as soon as we have transferred the order to our logistics partner.

Delivery country
In the online shop for european countries, deliveries can be made only within the following countries: Belgium, the Netherlands, Denmark, Italy, Poland, Slovenia, Slovakia, Spain, Sweden, Czech Republic.

Shipment tracking
Together with the dispatch confirmation, you will receive a tracking number and a link which you can then use to check the status of your parcel.


We will send you an e-mail as soon as the item is available. Information on our data protection policy


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