Anti-Static, BOA Lacing System, Fuel Oil Resistant Outsole, Fully Sustainable Packaging, Fully Waterproof, Internal Digging Plate, PS Rated Aramid Protective Midsole, Recycled Materials, Scuff Cap, Small Sizes, SR Slip Resistance, Steel Toecap, Water Penetration & Absorption of Upper, Water Repellent Upper, Waterproof Membrane. RF815 Barlow features Activ-Step® Comfort Footbeds, BOA® Fit System.