100% non-metallic, with protective toecap and midsole, Power is an electrical hazard jointers boot developed with specialist durability materials that are certified to withstand electrical risks of 18kV in accordance with the ASTM F2412-18 test method, including FORCE10® components, Moisture-tech by Sympatex® waterproof membrane, IMPACT SHIELD™, R-TEN™ thread and Ortholite® climate breathable footbed.