Do you prefer the classic sneaker look, but need a safer shoe for work? Then COOL O2 is your perfect choice! The natural and breathable Nappa leather and the energy absorption in heel and forefoot make this a comfortable and safe sneaker you'll enjoy wearing all day long. COOL O2 has a rubber outsole that performs outstandingly in terms of slip resistance, keeping you on your feet and making it the perfect choice for slippery and greasy environments. Lightweight, ESD compliant and suitable for both wet and dry environments. Safety Rating: O2 ESD FO HRO SRC No Protective Midsole Standard Fit Fuel Oil-Resistant Sole 300°C Heat-Resistant Sole Not Water-Resistant ESD Sole Shock-Absorbing Sole Lightweight Safety Rating: O2 ESD FO HRO SRC No Protective Midsole Standard Fit Fuel Oil-Resistant Sole 300°C Heat-Resistant Sole Not Water-Resistant ESD Sole Shock-Absorbing Sole Lightweight