Durable and comfortable mid-cut welding boot certified in compliance with EN 20349-2, with Thinsulate lining for extra heat protection. The leather upper is PU-coated and the KEVLAR thread in the seams resists 427 C short-term heat exposure (max operating limit) and 204 C longer-term heat exposure (constant operating limit). The oil and heat-resistant nitrile outer sole means excellent grip and JALAS aluminium toe cap, steel nail penetration insert and double impact protection zones in PORON XRD help prevent injuries. Features and Benefits Durable comfortable mid-cut welding boot EN 20349-2, Thinsulate lining for extra heatprotection KEVLAR thread in the seams resists 427 C short-term heat exposure and 204 C longer-term heat exposure Oil and heat-resistant nitrile outer sole, aluminium toe cap, steel nail penetration, PORON XRD double impact zones