Women&';sMade from PeakProof(TM), a high-performance PFAS-free 2.5-layer nylon, the Treeline Pants are ultra-lightweight and breathable. Overlapping venting panels and bonded zippers keep water out without trapping heat. Run with uncompromising protection. We love it for: weather-variable trail running Fabric: PeakProof TM - 100% Nylon Waterproof with sealed seams Waterproof Rating (WP): 29K+ mm Windproof Breathability/Moisture Permeability (MP) (B-1 = testing method): 40K+ g/m^2/24h Overlapped venting panels enhance breathability Ultra lightweight Relaxed fit Reflective heat transfers Packable into rear internal mesh pouch pocket Machine wash cold, air dry, don&';t bleach Designed in California, made abroad