All-Terrain Run Sock

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Overview

Ultra training on the weekend, after work lap on the valley trail or Wednesday night beer run, our AT running sock is designed to keep pace with whatever the intensity of your tracked run. Merino wool/nylon blend warms and dries, while naturally resisting odor during high-mileage days. Seamless toes minimize friction whether inside a zero-drop or double-thick-midsole shoe. Comfort compression and cushioned footbed reduce fatigue when pounding out uphills or burning up descents.

Materials

56% Merino Wool, 41% Nylon, 3% LYCRA® Spandex

Stewardship

Climate Neutral

We completely offset the footprint of each order through our commitment to being climate neutral. As part of our mission we value being good caretakers of the mountain life and protecting the places where we play.

Materials

We are committed to building garments that are durable, timeless and continue to perform season after season. Over 50% of our product line incorporates preferred materials, which include organic cotton, recycled materials and responsibly-sourced down. We are committed to growing our preferred materials usage to 75% by 2025.

Trade-In Program

We believe a circular commerce system will design out waste and pollution, allowing for used clothing to be renewed and put back into use. Stio Second Turn™️ is our gear renewal program that allows customers to trade in and shop used apparel.