The Salomon XT-4 is designed for trail running and features a mesh and heat-welded TPU upper with fabric tape on the medial area. This OG version comes equipped with Advanced Chassis frame for maximum stability, AC2 Muscle midsole, AC Skeleton support block and Mud Contagrip tread for unparalleled traction. Quicklace lacing system, Ortholite insole for maximum comfort and padded collar.