As the universal dress code of mountain life, we can’t resist buttoning into flannel as soon as the first frost hits—but we also can’t resist transforming it to get even more time in the fabric we love. Designed for the many modes of cold days, this overshirt keeps the natural comfort and casual styling we love about flannel, with a spacious fit that can do the work of a light jacket. Knee-length, heavyweight organic cotton fabric keeps out the cold and hands hang cozily in the extra-large side pockets. High-cut side panels create room to move while walking, while tortoise-style buttons and a Western back yoke evoke the roots of our hometown. Layer it over leggings, fleece—or even with another flannel.
100% Organic Cotton, 313g/m2 with Double Sided Brush
As caretakers of the mountain life, we recognize our responsibility to support organizations and people who share our vision to drive positive change for people and the planet. We’re proud to partner with some tremendous organizations in their missions to responsibly advance outdoor recreation and protect our wild surroundings.
We are committed to building garments that are durable, timeless and continue to perform season after season. After years of research, testing and product development, in 2024 we completely removed PFAS from all of our newly developed products. We remain committed to growing our Preferred Materials usage, which includes organic cotton, recycled materials and responsibly-sourced down and wool, to 75% by the end of 2025.
Our apparel is built to last. As a part of our efforts to reduce waste and keep more gear in the mountains where it belongs, our home-grown gear renewal program allows previously-used items to be traded in, cleaned, repaired and circulated back into use.

The charm in gravity.
When winter calls, we answer. It’s what draws us back—the feeling that lifts us, shapes us, fuels the fire inside. It’s in the cadence of the turn, the clean lines between aspen and fir. At Stio, we serve all those who share in the pursuit, because it's never not worth it. Join us. Chase bliss.
Made for mavens.
At Stio, everything we create is engineered to work without fail in the mountains; the Women’s Objective Pro Collection brings our obsession with performance to an all-new women's line. Breathable, beautiful and badass, Objective performs at the highest level from the chairlift to the Haute Route in a durable design to be trusted day-in and skin-out. Which is to say, it’s built like a Stio … for every woman.
Alaskan Exit Strategy
No adventure in Alaska is a gimme. On a glacial ski traverse outside Anchorage, Stio Mountain Athlete Nicole Cordingley learned that even the best-laid plans require thinking on your feet—or skis—in The Last Frontier.