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Trekking Series
Very resistant and breathable trousers manufactured in Cordura® bi-elastic fabric. With a PFC-free water-repellent treatment, these comfortable trousers incorporate a mixed waist with belt, three pockets (two front and one back) and adjustable hems with cord lock.


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The PIRNA women's mountaineering trousers from Ternua are very hard wearing and ideal for those days of trekking and hiking. They are made of Cordura® bi-elastic fabric which makes them lightweight and breathable trousers that will provide you with excellent freedom of movement during your activities. In addition, you will enjoy optimal comfort thanks to the mixed waist with belt, the adjustable hems and the three pockets that they incorporate. True to our principles of sustainability, these trousers include a PFC-free water repellent treatment.









  • Made of recycled materials.
  • Made of biodegradable natural materials.
  • Made of organic cotton.
  • Made of bluesign® fabrics.
+ info
PFC FreeSustainable and toxic-free water-repellent treatment. + info
Bluesign approved fabricFabric certified as manufactured in a sustainable way and respectful of working conditions. + info

Composition and care


334 g.


  • Fabric Composition: 90%Polyamide 10%Elastane

Technical fabrics

ShellstretchShellstretch fabric is bi-elastic for improved body adaptation, always keeping its ahape as well as being hard-wearing and comfortable. Designed to quickly absorb perspiration and transport moisture away from the body, it also has a water-repellent finish. Shellstretch fabric is ideal for activities requiring total freedom of movement. This makes it ideal for mountain sports requiring total freedom of movement.
cordura_combat_woolCordura® Combat Wool™ fabric offers the comfort and aesthetics of wool with the durability of nylon. Fabrics are constructed with Merino wool and nylon 6,6 fibers in a variety of styles and constructions. Cordura® Combat Wool™ fabrics feature the tradition and comfort of wool and the heritage of the Cordura® brand which has proven performance in some of the world’s toughest environments.

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