They are made externally of Birko-Flor material while internally they are lined with leather and felt. They have an anatomical design, an external sole made of Eva for shock absorption, and metal buckles on the straps for adjustment
To maintain quality, we recommend keeping the shoes away from direct sunlight and high temperatures when not on your feet. Features a regrind midsole made from a blend of new and recycled materials. Soft recycled EVA foam for shock absorption