CSA Camden 8" WP 600g BootFEATURES Left and right asymmetrical, non metallic carbon fiber toes offer unobtrusive fit and are 15% lighter than steel KEEN. DRY waterproof, breathable membrane ASTM CSA certified, non metallic, flexible woven textile puncture resistant midsole plate for underfoot protection Nylon shank for midfoot support 90 heel (5 8 Height) provides stability and helps catch or lock the foot in place Electrical hazard (EH) or Electric Shock Resistant (ESR)