Upper made of natural, textured leather. Lining - antibacterial textile, sweat-absorbing. The joints of the upper leather are sewn with heat-resistant thread. Additional leather protection on the ankle tongue is attached with a velcro fastener. The insole of the shoes is thermally molded, anatomical, antistatic. Sole - highest density PU/NITRILE, patterned, antistatic. Resistant to fats, oil products, has good anti-slip (SRC) and heat resistance (HRO) properties and is especially resistant in aggressive working conditions. The sole is protected by a light and flexible puncture-proof -type fabric insert. The toes are protected by a polycarbonate protective toe cap.