Black calf leather Estia leather sandals from Ancient Greek Sandals featuring single toe strap, multi-way strap design and buckle-fastening ankle strap. POSITIVELY CONSCIOUS: We've partnered with Good On You — an ethical agency that rates how sustainably brands perform across various people, planet and animal welfare criteria. This product comes from a Conscious brand that performs well in relation to their impact on people, which ensures good working conditions in the supply chain..