Aluminium Toecap, ESD Certified, Fuel Oil Resistant Outsole, Fully Sustainable Packaging, Fully Waterproof, PS Rated Aramid Protective Midsole, Recycled Materials, Scuff Cap, SR Slip Resistance, Water Repellent Upper, Wide Fit. RF200 Otus features Activ-Tex® Waterproof Membrane, BOA® Fit System and Activ-Step® Comfort Footbeds.