where soft and hard zones are positioned to provide a controlled grip and efficient power transfer

as stated on the manufacturer's page

External dimensions: Width 426

Two-component ERGO™ handle with thermoplastic surface on polypropylene

The tools are dissipative with a surface resistance of 10^6 to 10^9 ohms and are manufactured in accordance with IEC 61340-5-1 for ESD protection

Weeger Bergen clog ESD Str. 49; sort MIL2022101411 where soft and hard zonesProduktoversigt Weeger ESD Clog (Art. 48519) fra WEEGER er en antistatisk (ESD) unisex clog designet til at modvirke statisk opladning. Produktet leveres i europiske strrelser 3549 og er beskrevet med materialer og konstruktionselementer, der understtter ESD funktionalitet og komfort. Materiale og konstruktionsdetaljer Overdel i letplejet glattleder (easy care smooth leather). Bladperforering i overdelen (perforated vamp). Naturkork luftpolstret