How does the GORE-TEX® membrane work ?
The GORE-TEX® membrane has 9 billion pores per square inch, with each pore 20,000 times smaller than a water droplet. These tiny holes are too small for water and wind to pass through from the outside, which is how we can guarantee you’ll stay dry and warm in a garment made with GORE-TEX® fabric. But these same pores are large enough for moisture vapor to pass through, so your body’s perspiration is able to escape and you don’t get clammy and uncomfortable. That’s what ‘waterproof/breathable’ is all about.
