Anti-Static, Bio Based Materials, Fibreglass Toecap, Fuel Oil Resistant Outsole, Fully Sustainable Packaging, Heat Resistant Outsole to 300°C, PS Rated Aramid Protective Midsole, Recycled Materials, Scuff Cap, SR Slip Resistance, Waterproof Membrane, Water Penetration and Absorption of Upper, Water Repellent Upper, 100% Non-Metallic Construction. RF625 Maple features Activ-Step® Comfort Footbeds and Activ-Tex® Membrane.