Key takeaways
- Pertex Equilibrium is a breathable, wind- and water-resistant fabric for active layers.
- It prioritizes breathability and moisture management over full waterproofing.
- A dual-density weave actively moves moisture to the outer surface to evaporate.
- It's used in softshells, windshirts, and active layers for high-output use in changeable weather.
Pertex brand line.
What Pertex Equilibrium is
Pertex Equilibrium is a line of lightweight, breathable, wind- and water-resistant fabrics from Pertex, designed for active outdoor use. Rather than full waterproofing, it prioritizes high breathability and moisture management, making it ideal for active layers you wear while working hard in changeable weather.
How it manages moisture
Equilibrium often uses a dual-density construction — different yarns or densities on the inner and outer faces — that creates a moisture gradient, actively pulling sweat from the inside to the outer surface where it spreads and evaporates. This keeps you drier and more comfortable during high-output activity than a fabric that just sits there.
On a fast, cold hike in gusty wind, a hiker wears a windshirt made with Pertex Equilibrium — it blocks the wind and sheds light drizzle while actively wicking their sweat to the outside to evaporate, so they stay dry and comfortable where a waterproof shell would leave them clammy.
Where it’s used
Equilibrium is used in softshell jackets, windshirts, and active layers for aerobic activities in wind and light weather — its breathability, wind resistance, and active moisture transport suiting fast hiking, climbing, and running.
The bottom line
Pertex Equilibrium is a breathable, wind- and water-resistant fabric built for active layers — softshells and windshirts you wear while working hard. Its dual-density weave actively moves sweat to the outer surface to evaporate, keeping you dry and protected from wind and light weather without the clamminess of a fully waterproof shell. Breathability over waterproofing, for high-output use.
Frequently asked questions
What is Pertex Equilibrium?
Pertex Equilibrium is a line of lightweight, breathable, wind- and water-resistant fabrics from Pertex, made for active outdoor use. Rather than being fully waterproof, it prioritizes high breathability and moisture management, so it's used in active layers like softshells and windshirts that you wear while working hard in changeable conditions.
How does Pertex Equilibrium manage moisture?
It often uses a dual-density construction — different yarns or densities on the inner and outer faces — that creates a moisture gradient, actively pulling sweat from the inside of the fabric to the outer surface where it spreads out and evaporates. This keeps you drier and more comfortable during high-output activity than a non-managing fabric would.
Where is Pertex Equilibrium used?
It's used in softshell jackets, windshirts, and active layers designed for aerobic activities in wind and light weather. Its strengths — breathability, wind resistance, light water resistance, and active moisture transport — suit fast hiking, climbing, and running in changeable conditions, where a fully waterproof shell would be too sweaty.
Sources
- Pertex fabric technology — Pertex
- Fabrics & layering — The Mountaineers