non-slip , anti- shock , puncture resistance ,
flame retardant , heat , radiation, anti-cut , oil , anti-acid , anti-smashing plate.
Bottom puncture greater than or equal 100N, resistant to voltage equal to 5000 v olts, for the disinfection of foot canvas lined interior lining ,
lined with sponge bottom .                                                                         http://www.qhrainboots.com/