The ErgoShield ESD (ElectroStatic Dissipation) Insoles are occupational insoles designed for those working in environments where electrostatic discharge footwear is necessary. These insoles feature contact static dissipation at the heel and the ball of the foot by way of conductive fibers threaded throughout the polyester top cover. They have a contoured EVA foam base with breathable layers that offers cushioning for all day foot comfort. The ErgoShield ElectroStatic Dissipation insoles are designed to help alleviate foot pain, are trim-to-fit to ensure a proper fit in your shoes, and are suitable for use in electrostatic-sensitive environments.