Description Rock Fall RF328 Chatsworth Electrical Hazard Chainsaw Waterproof Safety Boot Protective toe cap and midsole, Chatsworth is a class 3 electrical hazard chainsaw safety boot developed with specialist durability materials that are certified to withstand chain speeds of 63MPH and electrical risks of 18kV in accordance with the ASTM F2412-18 test method, including FORCE10® components, Helcor® abrasion resistant leather, Moisture-tech by Sympatex® waterproof membrane, IMPACT SHIELD™, R-TEN™ thread and Ortholite® climate breathable footbed. The sole and upper are also compatible with most common climbing irons. Unsure what safety footwear you need for your work or industry. We can help, click here… Unsure what the Safety and Slip Rating Codes (SB, S1P, SRC etc.) We can help, click here… Features SB P E WRU FO CI HRO WR SRC ASTM F 2413-18 M/I/C EH PR BS EN 17249:2013 – Class 3 EN ISO 20345:2011 Steel toe cap Composite anti penetration flexi-midsole Moisture-tech by Sympatex waterproof and breathable bootie membrane – tested for 100 hours (74 times longer than EN requirement) Dual density PU nitrile rubber outsole Outsole tested to extraordinary abrasion, heat and cold performance level Electrical hazard Materials Upper: Water repellent full grain leather