Pro-motion technology. The wide InStep Flex™ panel allows the sock to retract without bunching up, keeping your foot comfortable on the uphill climbs.

Our X-FORM™ mid-foot elastic provides exceptional arch support, keeping the wool next to your skin where the natural moisture wicking properties of wool provide warmth while regulating temperature.

V-FORM™ arch support elastic, and medium terry along the entire footbed for lasting comfort.