... with excellent wearability and ESD performance. Material: PVC sole and PVC leather upperStandard: Comply with EN100015 and IEC 61340 ... wearability, comfortable, deft, firm, weather proof Application:Can be used for electronic, optical instrument, pharmacy, microbial engineering, precision instrument, ... plugging in soft things ( cloth or paper). cleanroom used 4- holes ESD PVC shoes / antistatic shoes