Specially designed to fit figure of the foot anf made of rubber material. Calcaneal epin and metatarsus head areas which take the toll of the body are softened. Lessens the pain at foot and calf. Arc support supplement for low base and related pain relief. Distributes the standing body weight evenly and reduces load and stress on the joints. FEET SIZE(EUR SIZE) 35-36 37-38 39-40 41-42 43-44 Declaration of Conformity CE