Salomon - Authentic Trex 7 GTX (Mustang/Black/Pewter) - Men's: Classic leather boot with ultimate outsole construction, for long hikes in all terrain. Waterproof GTX lining. Upper material is oiled nubuck with gusseted tongue, lace locking hardware, and gliding eyelet inserts. GORE-TEX lining membrane. Mountain Contagrip outsole has ideal combination of specialized rubbers lugs and flex patterns to deliver optimal traction on all types of terrain. Advanced chassis placed between the outsole and the midsole maximizes stability, motion control, and push-through protection for an efficient, stable and responsive ride. PU midsole. Ortholite sockliner.