properties Upper: water repellent full grain leather Inserts made of rubberized microfiber Lining: breathable and waterproof Integrated protectors on calf and tibia (thermoformed PU) and on both sides of the ankles (PU), PU shifter protection Attachment: self-locking straps and Velcro fastener Inserts: Reflectors anthracite Footbed: antibacterial, anatomically shaped and exchangeable Sole: non-slip, oil-resistant and antistatic rubber outsole