The three-layer membrane construction harnesses both chemical and physical principles to remove perspiration from the skin as water vapor, ensuring stay-dry comfort while keeping temperature in balance.
This technology is also dynamic. Hydrophilic elements within the membrane actively attract moisture and transport it as vapour to the outer layer. When in contact with moisture, these elements also expand, meaning that the more you sweat, the higher the breathability of the anorak becomes.
Breathability can be measured using a resistance evaporation transmission value (RET). An RET value below 6 can be considered good breathability. The Waterproof Anorak has an RET value of 0.5, offering plenty of room to breathe however you push through the rain.
PTFE- and PFC-free
The Waterproof Anorak was truly designed with the long run in mind – in more ways than one. The selected membrane is waterproof, windproof and breathable, but also durable. Made to handle the demands of the Swiss Alps, it is made tough enough for the trail yet with plenty of stretch for active comfort.
The materials responsible for the performance of the Waterproof Anorak were carefully selected to perform responsibly long term. The advanced waterproof membrane is not only breathable, stretchable and durable, it’s also entirely PTFE-free. What’s more, its 20,000 mm water column is backed-up by a PFC-free durable water-repellant coating.