Upper Nabucco natural leather with perforated for four open cavities. Lining – antibacterial textile sweat absorbing. Leather upper connecting point oversewn produce double-stranded. Lacing – nylon system 3 pairs of closed loops. Shoe insole – heat disbanded, anatomical, antistatic. Sole two layers of PU, patterned, antistatic, resistance to grease and oil products. Sole protected light and flexible type of puncture-resistant Kevlar fabric inlay. Toes protected with plastic protective mixture toes, ventilated air hole system technology. The front of the shoe additionally flooded polyurethane layer.