Derfleks Str, is an insole lining that has increased hardness and is produced in thickenesses between 1.5 mm-3.0 mm. This product is suitable for specific demands. It confirms to the contracts in terms of Safety shoes for the production of Miliary and Security Officers’ shoes. This product also confirms to SATRA standards, and it’s a premium quality and ideal material. Derfleks MENTA is an ideal material; when it has a leather finish, for the production of fancy shoes and slippers. It is especially preferred for beach products.