STANDARD: EN ISO 20345:2011\r\n\r\nINTERNAL LINING: abrasion resistant polyester\r\n\r\nUPPER: COLD DEFENDER PU, antibacterial, resistant to -25 °C\r\n\r\nINTERSOLE: COLD DEFENDER PU, antibacterial, resistant to -25 °C\r\n\r\nOUTER SOLE: nitrile rubber resistant up to +300 °C (1 minute contact) and to low temperatures up to -25 °C\r\n\r\nFOOTBED: COLD BARRIER, made of soft and scented polyurethane, antistatic, anatomic, insulating against low temperatures. The thermal comfort inside the footwear is granted thanks t