Male SR MAX Men。Waterproof, oiled, full grain leather upper. Mesh lining with waterproof bootie. 400 grams Thinsulate insulation. PU cup removable insole. Molded phylon midsole. SR Max MaxTRAX oil and slip resistant rubber outsole with cold storage compound. Metal free. Comp toe. EH. ASTM F2413-18 M/ I/ C EH compliant. View Glossary of Terms COMPOSITE TOE / NANO TOE Compared to their steel toe counterparts the composite toes are manufactured using lightweight materials to make the shoe weigh less while meeting ASTM standards. These shoes meet ASTM F2413-18 I/C standards.  ELECTRICAL HAZARD The soles of EH shoes provide a barrier to protect employees from open electrical currents up to 600 volts. EH shoes are often needed in maintenance, welding and engineering positions. All styles marked with the “EH” icon in this catalog meet the ASTM F2413-18 EH standards.  INSULATION Several of our styles provide insulation against the cold and are built for the tough outdoor environments. Our range of insulation available is 200gms - 600gms. The styles offering insulation will be marked with the specific weight of insulation to help guide you in your selection.  These were used for 1 week. Excellent WATERPROOF Waterproof boots and shoes are constructed to keep the feet dry and comfortable in wet conditions. Waterproof construction requires continuous maintenance and is not guaranteed to remain for the life of the shoe.  SECURITY FRIENDLY Security friendly styles have non-metallic eyelets,