It is often reported like that:
Institutes of analysis such as Ökotest & Co. have often analyzed the shoes components observing what follows: more than half of the materials include a harmful mixture of chemical substances that, if absorbed by the skin, causes irritations, allergies or actually very serious problems.
We pay special attention to the choice of materials for our shoes. In our shoes there are no harmful materials for the health. Regular inspections, in compliance with the government regulations, ensure defect-free products.
In our shoes we use the 80% of synthetic rubber (SEBS) and the 20% of PVC without phthalates, in line with the UE regulations.