WATERPROOF MEMBRANE CONSTRUCTION - These work boots with removable dual-density PU insole, flex-welt construction, oil-and slip-resistant nitrile rubber outsole, waterproof membrane and seam-saled style keep your feet safe and dry in any environment CARBON NANOFIBER SAFETY TOE CAP - Carbon Nanofiber material makes these safety toes the lightest available today; these toes do not conduct heat or cold, will not activate metal detectors, are non-magnetic, and static free. PUNCTURE RESISTANT BOOTS - These rugged work boots feature lenzi puncture resistant plate designed to reduce the hazards of puncture wounds caused by sharp objects penetrating the sole OIL AND SLIP-RESISTANT NITRILE RUBBER SOLES - Slip Resistant soles have tread designs which channel water, oil and other slippery substance to create superior grip ELECTRICAL HAZARD PROTECTION - EH industrial boots are designed to protect the wearer from open electrical circuits up to 18,000 volts; these safety boots are secondary protection on surfaces that are substantially insulated