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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.
150D PeakProof™ 3L Canvas 100% Recycled Polyester – Stio's new PeakProof™ rating ensures a Teton-tested level of waterproof technology and breathable comfort for elevated action in mountain environments.
Kickpatches – CORDURA® Dobby, 420 Denier Dobby, 100% Nylon, 310 g/m2 with a PFAS-Free DWR Finish
80/20 PFAS-Free DWR Finish
PeakProof Hydrophilic Membrane – 20K Waterproofing / 10K Breathability
20D Tricot Backer
Regular Fit – A casually shaped design that’s not too tight and not too baggy.
Inseam – 32"
Custom Stio® Removable Belt
Adjustable Hook and Webbing Loops at Side Waistband for Customized Fit
Waistband Adjustment Tab
Belt Loops
Custom Stio® Zipper Pulls
Oversized Thigh Pockets with Additional Slip-In Pocket
Outer Thigh Vents
Fully Seam Sealed – For completely waterproof and windproof protection.
Two-Way YKK® Water-Resistant Aquaguard® Vislon® at Outseam Vents
Highly Abrasion-Resistant Kick Patch at Leg Opening
YKK Water-Resistant AquaGuard® Pocket Zippers
Zippered Fly with Hook and Loop at Front Closure
Heat Transfer Stio® and Pinecone Logos
Internal Boot Gaiters with Gripper Elastic
Hanger Loop on Center Back Waistband
Custom Stio® Snap Closure
Articulated Knees & Action Gusset
| Breathability Rating (g) | Breathability Level | Activity Level |
| 0 - 10000 | Low to moderate breathability | Resort skiing & snowboarding / walking / low intensity activity |
| 11000 - 15000 | Moderate breathability | Resort skiing & snowboarding / hiking / moderate intensity activity |
| 16000 - 20000 | High breathability | Backcountry skiing & snowboarding / backpacking / moderate to high intensity activity |
| 21000+ | Very high breathability | Backcountry skiing & snowboarding / biking / high intensity activity |
| Warmth | Description | Ideal Conditions |
| Uninsulated (Shell) | Outer shell with no insulation. Pair with base layers and mid layers to fine tune the level of warmth required. | Variable |
| Warm | Light insulation. Use additional base or mid layers to add warmth when temperatures drop. | 20° - 35° |
| Warmer | Moderate insulation. Suitable for cold conditions. | 10° - 25° |
| Warmest | Heavy insulation. Designed to keep you comfortable and protected on the coldest days. | Below 15° |