evo.com | Stio Shell Pants > The Stio Environ Pants have stretchy, breathable storm protection with functional features that excel on the skin track and beyond. Featuring Peakproof waterproof and breathable fabric that's made with durable nylon, the articulated knees, boot gaiters, and vents are just a bonus. Outer Thigh Vents Fully Seam Sealed For completely waterproof and windproof protection. Oversized Thigh Pockets with Additional Slip-In Pocket PeakProof Hydrophilic Membrane 20K Waterproofing / 10K Breathability 150D PeakProof(TM) 3L Canvas 100% Recycled Polyester Stio's new PeakProof(TM) rating ensures a Teton-tested level of waterproof technology and breathable comfort for elevated action in mountain environments. | Women's Stio Environ Pants 2026 - Large Blue | Nylon/Polyester