... leather,PU,TPU,mesh 3.Feature:anti-static,insulative,steel toe,waterproof 4.CE approval ◊Upper:cow suede leather◊Outsole:PU ... ,TPU/PU,RUBBER◊Lining:air mesh ◊steel toe◊Features:anti-static,insulative,steel toe,waterproof,pentration resistance,energy absorption◊Packing:color box ... resistanceS2S1+Water penetration and water absorptionS3s2+Penetration Resistance+Cleated outsoles security shoes