Yellow Nubuck Leather with water repellent treatment and 3D mesh breathable lining. Polycarbonate Toecap (200 J according to DIN EN 12568) Q-Flex zero perforation non-metalic midsole, resistance up to 1100 Newton Dual density Rubber/Nitrile Sole provides high comfort and shock absorption. Exchangeable insock for maximum comfort. Closed tongue to prevent dust and/or water entrance. Heat resistant up to 300º for short period SRC