This Safety boot / shoe comply with European Standard EN ISO20345:2011 in conjunction with the basic standard EN 344/1992.This is high quality footwear with steel toe that protects you from leg injury. The shoe can be maintained with the normal boot care materials. The boot should not be dried mechanically or heated, as it can cause the leather to dry out, harden or break. Also note that the life of this boot is dependent on the nature of the work and the amount of usage it receive.