Purpose: used in winter at many workplaces, such as in the construction industry, mining, repair, assembly, storage and many others. Material: uppers made of natural leather. on anti-electrostatic sole made of two-layer polyurethane (PU/PU) to protect against slipping, resistant to oils, greases, gasoline and other organic solvents, stable sole due to the use of a deep protector, insulated, two-stage Shockabsorber. Lifter: steel.