CE EN ISO 20345:2011, S3, SRC - ESD-compliant per DIN EN 61340 - certified orthopedic insole available in accordance with DGUV 112-191 - Smooth leather - Steel toe cap - Shock-absorbing PU midsole - Metal-free puncture protection - Slip-resistant PU outsole - Replaceable acc Wave insole - Sanitized treated - Size: 52 - Color: black