Conforms to EN 20345:2011 200 Joules S5.CI.. C662343 Polyurethane Thermo+ upper and sole can withstand conditions of down to -50 Degrees Celsius. Resistant to minerals, animal and vegetable oils and fats, disinfectants, manure, solvents and various chemicals. The heat retaining sole keeps workers comfortable while the shock absorbing technology and flexible upper allow for ease of movement. Lightweight and durable. Pierce resistant stainless steel midsole.