Protective toecap and midsole, Chatsworth is a class 3 electrical hazard chainsaw 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.Upper Materials: Water repellent full grain black leather with Helcor abrasion resistant leather stitched with R-TEN abrasion resistant thread Protective Components: Protective steel toecap and composite anti-penetration flexi-midsoleInternal Linings: Moisture-tech by Sympatex waterproof and breathable bootie membrane - tested for 100 hours (74 times longer than EN requirement)Outsole: FORCE10 scuff cap and dual density PU nitrile rubber outsole - tested to extraordinary abra