Our most trusted performance boot for a reason, has been upgraded to be even more customizable and offer the responsive fit you demand. FeaturesVIBRAM® OUTSOLE made of ICETREK™ VIBRAM® COMPOUND with D3O® SHOCK ABSORPTIONAIR DAMPENINGTHERMINATOR SHIELDARMORED SHELLNEW AUTO-POWER STRAPINTERNAL ANKLE SUPPORTPOWER TONGUE STIFFENER RE/LACE LINER LOCKERORTHOLITE® TRIPLE DENSITY FOOTBED