The Rock Fall Surge Safety Boots RF910 offer 100% non-metallic construction with a protective toecap and midsole, developed with specialist durability materials. These boots are designed for sustainability, featuring recycled plastic bottle upper, webbing, and lace materials. The Activ-Tex® Waterproof membrane is breathable, tested for 8 hours, and contains 60% recycled content. They are certified to withstand electrical risks of 18kV in accordance with the ASTM F2412-18 test method. The dual-density PU nitrile rubber outsole provides excellent abrasion resistance, shock absorption, and weight reduction. Features include: Electrical Hazard, Heat Resistant Outsole to 300°C, Ladder Grip, Oil Resistant, Protective Midsole & Toecap, SRC Slip Rated, Water Repellent Upper, Cold Insulation, and Sustainable design. The fiberglass toe cap resists impact and compression with 200 Joules of protection, meeting EN ISO 20345:2011 S3 SRC standards. An Activ-Tex waterproof membrane bootie made from 60% recycled post-consumer polyester keeps feet dry. The para-aramid anti-perforation protective midsole ensures on-the-job safety. Increased durability is provided by a TPU scuff-resistant heel counter and PU scuff-resistant toe cap. An Activ-Step PU anti-fatigue comfort footbed ensures all-day comfort.