100% non-metallic, with protective toecap and midsole, Surge is 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, an Activ-Tex® waterproof membrane and Activ-Step® PU anti-fatigue comfort footbed. Disclaimer: This footwear is Electrical Hazard and tested in accordance with the test method as set out within ASTM F2412-18. This protection deteriorates rapidly in humid, damp and wet environments and with wear. Electrical Hazard (EH) Safety footwear is intended as secondary source protection equipment. Features Water repellent full grain black leather Activ-Tex® waterproof and breathable bootie membrane - tested for 8 hours (5 times longer than EN requirement) FORCE10® Dual density PU nitrile rubber outsole - tested to extraordinary abrasion, heat and cold performance levels Activ-Step® PU anti-fatigue comfort footbed Certifications EN ISO 20345:2011 SB P E WRU FO CI HRO WR SRC + ASTM F 2413-18 M/I/C EH PR We deliver Rock Fall Surge Safety Boots RF910 worldwide.We specialise in shipping almost anywhere in the world securely at competitive prices - across UK, US, Canada, Ireland, New Zealand, Europe - securely and fast at competitive prices