1.6-1.8mm Top Grain cow Nubuk leather. 
Waterproof & Breathable membrane.  
Composite Toe cap 
External Gear Patch protection belt. 
Foot Bed made of EVA and nitrile special compound, with high bearing capacity and variable thickness Thermoformed, anatomic, punched and coated with highly breathable fabric.
Anti-slip Oil and Petrol Resistant Rubber Sole
Non-Metallic zero perforation mid Sole
EN 13634:2015.