Upper - natural waterproof leather. The upper skin joints oversewn produce double-stranded. Shoe back part reinforced specially treated, abrasion-resistant material. Lining antibacterial textiles. Reflector details on the sides of the shoe. On the tongue of the shoe in a special textile loop helps him becoming trapped during operation strained shoes. The heel area in a special textile loop facilitates donning footwear. Lacing pressed 4 pairs of closed loops. The sole is the highest density PU/NITRILE, patterned, antistatic. Resistant to grease, petroleum products, has good anti-slip (SRC) and heat resistance properties (HRO) and is especially resistant to aggressive working conditions. Sole protected light and flexible type of puncture-resistant Kevlar fabric inlay. Toes protect fiberglass XL protective toes. Additional leather impregnation against moisture.