Designed for: Extended trekking/backpacking, in all climates, on all terrains.
Exclusive Wool/THOR•LON® blended with thermal fibers for maximum insulation and wicking.
Extra thick cushioning cushioning in ball/heel for reducing shock, impact, shear and blisters.
Moderate cushioning - at instep for protection against boot pressure/in arch for better fit ... spandex added for support.
Ventilation panel for better wicking.