WOLVERINE DURASHOCKS INSULATED 6" STEEL TOE- Colors Stone Features - Wolverine DuraShocks« - 6" Work Boot - Steel-Toe - Assembled in USA - Electrical Hazard - ThinsulateÖ Ultra Insulation - Waterproof Waterproof Nubuck leather upper. 200-gram ThinsulateÖ Insulation adds warmth. Permanent direct-attach molding seals out water. Patented, long-lasting Dri-lex« lining wicks away sweat and keeps skin dry and comfortable. Removable double density footbed adds cushioning and stability. Tough, lightweight polyurethane midsole. Fiberglass shank stabilizes foot, weighs 75% less than steel and reduces fatigue. Steel toe rated ASTM F2413-05 M I/75 C/75 EH.