Charge is a new safety boot from Mack Boots. Featuring an improved PU Innersole, a PU/TPU sole and a Steel Toe Cap. The antistatic PU-TPU sole is long wearing, light weight, oil, acid, chemical and hydrolysis resistant. The PU-TPU sole is heat resistant up to 160 degrees C. Made from high quality KIP leathers and Nubuck Suede. Superior comfort at an affordable price with Maximum Torque Advantage range from Mack Boots.