Gore-Tex®
The GORE-TEX® laminate for sleeping
systems is GAS PERMEABLE
Top Material:
All our Bivy Bags and Bivy Tents have the revolutionary gas permeable laminate
as their topmaterial. The material is absolutely waterproof, windproof and vapour
permeable – the well-known properties of laminates. What's new is that the new
laminate is also gas permeable. That means that the Bivy Bag can be closed
completely without having to keep a ventilation slit open for fresh air.
The fresh air permeates through the material itself.
The benefits are obvious:
- The warmed air stays inside the Bivy Bag resulting in a much better
insulation effect. When the outside temperature is –10°C, for example,
the air temperature inside the head area is +3°C.
- In really bad weather and precipitation the Bivy Bag can be closed
completely and remains absolutely waterproof.
Bottom Material:
Highly water-proof and cold-flex durable laminate.
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