From backcountry to sidecountry to resort, our signature Environ Pant is designed to handle the most demanding winter pursuits. Constructed with PeakProof™ Dermizax® 3L waterproof/breathable outer, the Environ is a fully seam sealed, durable all-mountain pant. Abrasion-resistant Cordura® kickpatches offer enhanced durability and internal boot gaiters keep snow out. MaxVent™ outseam venting provides climate control, while articulated knees and action gusset allow for full range of motion.
Fabric
PeakProof™ Waterproof/Breathable Technology, Dermizax® 3L 100% Polyester, Dermizax® Membrane 20,000mm waterproofness, 10,000 g/m2/24hrs breathability, 150 denier, 194/m2, 80/20 DWR finish
In our outdoor world, not all shell fabrics rate the same, which is why we decided to set a Stio standard for mountain-rated protection you can trust when rough weather descends. Our new PeakProof rating ensures a Teton-tested level of waterproof technology and breathable comfort for elevated action in mountain environments.
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Dermizax® is a durable 150 denier waterproof/breathable fabric with a 20,000mm waterproof, 10,000g breathability PU laminate for use in extreme outdoor environments.

Kickpatch: CORDURA®, 420 Denier Dobby, 100% Nylon, 330 g/m2 with DWR Finish
CORDURA® is a 100% polyester, 600 Denier Ripstop fabric with a TPU Coating and DWR finish. Its rugged properties make it abrasion resistant, ultra durable and made to last through everyday wear.

Details
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Durable PeakProof™ Dermizax® 3L Waterproof/Breathable fabric offers premium performance in winter elements
- High abrasion-resistant CORDURA® kickpatch at leg opening
- Fully seam-sealed for complete waterproof protection
- YKK® water-resistant Aquaguard® zippers at hand pockets, thigh pockets, outseam vents and leg opening
- YKK® reverse coil zippered fly
- Customize fit with waistband adjustment tabs and belt loops
- MaxVent™ outseam venting for climate control
- Articulated knees and action gusset allows for full range of motion
- Internal boot gaiters with custom Stio® ‘Let the Outside In’ gripper elastic keep the snow out
- Custom Stio® metal snaps at center front closure
- Custom Stio® silicone zipper pulls for easy grab with gloves
- Custom Stio® cuff tab at bottom pant opening
- Heat transfer Stio® and Pinecone logos
- Weight: 23 oz.
- Imported
Fit
Regular Fit:
Our medium cut. Roomier than Trim but designed with feminine athletic performance and comfort in mind.
Garment Measurements (size medium):
Inseam, 31 1/2″
For more information about fit and sizing, visit our fit guide information page here.







































































































Emily Johnson –
The Stio Women’s Environ Pant in Alpine Lake is a game-changer for outdoor adventures. The material is durable yet comfortable, and the color is stunning. Perfect for hiking and casual wear!
Sarah Thompson –
I love these pants! They fit perfectly and are super versatile. The Alpine Lake color is gorgeous and pairs well with so many tops. Highly recommend for anyone who loves outdoor activities.
Megan Carter –
These pants are comfortable and stylish, but I found them a bit tight around the waist. Otherwise, they are perfect for my outdoor adventures.
Laura Mitchell –
The Stio Environ Pant is great quality and the color is beautiful. However, I think they run a bit small, so I would recommend sizing up.
Rachel Peterson –
I’m very impressed with these pants. They are lightweight, breathable, and perfect for hiking. The Alpine Lake color is unique and looks great in person.
Jessica Reed –
These pants are a bit pricey, but the quality makes it worth it. They are comfortable, well-made, and the color is stunning. Definitely a good investment for outdoor enthusiasts.
Amanda Lewis –
I was hesitant about the price, but these pants exceeded my expectations. They are perfect for both outdoor activities and casual wear. The fit is superb, and the color is even better in person.
Samantha Brown –
I love the design and color of these pants, but they are not as stretchy as I expected. They are still comfortable, but I would prefer a bit more flexibility.