Grüezi Bag Biopod DownWool Subzero 175

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As low as €349.95
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Insulation Down
Comfort temperature 0° / 10°
Weight 750 - 1000g

Quick overview

The Grüezi Bag Biopod DownWool Subzero is the perfect companion for your spring to autumn trekking, biking, backpacking, and camping adventures. This comfortably cut mummy sleeping bag has a very practical pillow compartment - simply insert a fleece jacket, for example, and you have a pillow that won't slip during sleep. The sleeping bag is insulated with DownWool: natural insulation made of 70% down and 30% wool and combines the advantages of both natural materials. Very good insulation and a pleasant feel-good climate.


Mummy sleeping bag
A mummy-shaped sleeping bag offers several advantages. The close-fitting shape means there is less room for air in the sleeping bag. You'll have the air that's in there up to temperature faster, making the sleeping bag warmer than a rectangular model. Also, most mummy sleeping bags come with a hood and a collar just above the shoulders that you can tighten. These features keep the heat trapped inside the sleeping bag and protect your head and neck, where you lose the most heat. The tapered shape reduces weight and volume in your backpack, bike pannier or car trunk.

Grüezi DownWool
The natural high-end DownWool-Insulation is a blend of 70% high-quality RDS-certified down, which provides high insulation, and 30% wool from the Alpine region, which acts like a lightweight natural air conditioner. The combination is perfect. Nothing insulates as well as high-quality down. The 30% wool content absorbs any moisture that arises and thus keeps the down naturally drier. Down has a very high insulating capacity at a low weight. However, down only insulates as long as it is dry and fluffy. With increasing humidity, the fine branching of the down collapses, which considerably reduces the insulating effect of the down. For this reason, the down is often treated with water-repellent agents. With DownWool, this is made unnecessary by adding the wool content. Wool can absorb up to 30% of its own weight in moisture without losing its insulating effect. Furthermore, wool is very temperature regulating and creates a pleasant microclimate in a natural way.

The result is a unique sleeping climate, which means that the temperature range in which you feel comfortable and sleep well in a DownWool sleeping bag is particularly wide. This makes DownWool sleeping bags popular all-rounders.

Foot ventilation system
Thanks to the innovative foot ventilation system, you can place your feet comfortably on top of the sleeping bag to allow excess heat to vent.


  • Outer material: Breathable and water-repellent ultra-light 20 denier 380T nylon (100% polyamide)
  • Inner material: Breathable nylon, pleasant to the skin
  • Good skin compatibility: Confidence in Textiles - Tested for harmful substances according to STANDARD 100 by OEKO-TEX®
  • Filling: 446g DownWool of 70% duck down (90/10, 650+ cuin) and 30% wool
  • Certification: The down in this sleeping bag is certified to the Responsible Down Standard (RDS CU 859743).
  • Size: 200 x 77 x 50 cm (for body heights up to 175 cm)
  • Weight: approx. 900g + pack sack
  • Pack size: Ø 18 x 31 cm, compressed Ø 18 x 20 cm
  • Pack volume: 8 litres, compressed 5 litres
  • Comfort temperature: 2°C (36°F)
  • Limit temperature: -4°C (25°F) 
  • Extreme temperature: -20°C (-4°F)