Work shoe. Electrical resistance (between 0.1 and 1000 Mega Ohms) Heel energy absorption (tested at 20 Joules). Oil resistant sole. IEC 61340-5-1: Electrostatic discharge resistance (ESD) less than 35 megaohm. OB: Footwear offering no protection of the toes against mechanical risks but which must provide protection against one or more of the following categories: P, C, A, E, CI, I, AN, WR or HI. Complies with IEC 61340-5-1 (ESD) standard. Double absorption zone. Machine washable at 40 °C. Light. Antistatic properties. Adjustable heel strap. Oil resistant sole.