SYMPATEX -
100% Waterproof, Windproof, Breathable INSERT.   
Sympatex offers innovative hi-tech functional systems for clothing and footwear. Created for people who go their own way-- independent of the weather and outside circumstances, individual for each situation, for each challenge, Sympatex Allweather--The reliable functional system for all weather protective clothing.  For the highest requirements in all year round wearer comfort. 
The extremely breathable Sympatex membrane is incorporated between the outer material and the lining.  Specially sealed seams ensure 100% waterproofness, while perspiration is allowed to escape for total wearer comfort.