The new Dunlop Explorer combines the benefits of high pressure PU Purofort in the inconic Thermo+ boot with the established slip qualities of a rubber sole, provided by the market leader Vibram. Engineered for the highest range temperatures (-20 to +250 Celsius, -4 to +482 Fahrenheit). Steel toe & midsole plate. Vibram Fire & Ice antislip natural rubber outsole. Hydrocarbons resistant. Seawater resistant. Resistant to minerals, animal and plant oils and fats. Fertilizer, acids, disinfectants, solvents & various chemicals. Maximum traction, Flexible Purofort upper. Thermoplus insulation (-50 Celsius, -58 Fahrenheit). Comfort removable insole.