* PREMIUM FULL GRAIN LEATHER FOR COMFORT, DURABILITY AND ABRASION RESISTANCE. * LIGHT WEIGHT AND FLEXIBLE CONSTRUCTION. *SHOCK ABSORBER CONSTRUCTION. * OIL RESISTANCE AND ABRASION RESISTANCE OUTSOLE. * CET CONSTRUCTION TONGUE WITH CENTER-LOADED FOAM PACKAGE TO RELIEVE SHOE LACE PRESSURE. *COS MESH LINING FOR ODOR CONTROL AND COMFORTABLE FEET. * SUPER CUSHION REMOVABLE INSOLE. * AIRPORT FRIENDLY.