evo.com | Stio Shell Pants > A longtime Jackson Hole essential, the Stio Environ Bibs deliver storm protection from groomers to sidecountry. Fully seam-sealed PeakProof 3L recycled polyester now breathes better, and a high-waisted mini-bib design adds coverage on deep days. Side zip vents double as a drop seat, while articulated knees, a stretch back panel and oversized thigh pockets keep you moving and organized. PeakProof Hydrophilic Membrane 20K Waterproofing / 20K Breathability PeakProof(R) 3L Plain Weave and Ripstop PeakProof(R) rating ensures a Teton-tested level of waterproof technology and breathable comfort for elevated action in mountain environments. Oversized Thigh Pockets Regular Fit A casually shaped design that's not too tight and not too baggy. Two-Way YKK(R) Water-Resistant Aquaguard(R) Vislon(R) at Outseam Vents | Women's Stio Environ Bibs 2027 - X-Small Blue | Polyester