Whether used on trails or urban expeditions, XT-4 OG is a celebration of Salomon’s greatest performance features. With all the unique features that made it top of its game, from the stable, full-length Agile Chassis Skeleton to the soft, dual-density midsole component. An authentic replication of the iconic XT-4 OG, down to the smallest detail. Full-length Agile Chassis Skeleton for delivering great stability over any distance.