Pertex 4
The Pertex 4 brand stands for a very first-class PA fabric based on Meryl. The fabric is very light at 54g/m², windproof and quick-drying.
Pertex 4 is a microfiber and is woven very tightly, making it fiber and down proof.
The main area of ??application for Pertex 4 is the manufacture of sleeping bags.