Capillary lined footbed accelerates sweat evaporation during static recovery.

Discover the secrets of our archive. Paying homage to the origins of technical footwear, the ACS OG is a modern adaptation of a much-loved classic that incorporates many years of trail running expertise. Deeply rooted in tradition, but equipped with a run-stabilizing Agile Chassis system, this model is the reinvention of a true trail icon.

Kinetic hinge points enable natural range of motion during complex maneuvers