Salomon XT-6 EXPANSE The salomon outdoor trail running shoes feature a SENSIFIT upper that fully fits and wraps around the foot shape. The heel and sole traction design provide strong grip and are more suitable for rough roads in the wild. The 3D ADVANCED CHASSIS chassis material is lightweight and maximized The nail-tooth design is more stable and protective. The easily worn areas of the sole use CONTAGRIP high-wear-resistant material to meet the test of long-distance running on hard urban roads