Chic Spanish slingback leather sandals are handcrafted by MIBO, a family owned workshop on the island Menorca, Spain. Worn onces-- included close-up picture of footbed so you can see how lightly worn. This is a traditional type of sandal and a classic silhouette. EU 30 is equivalent to US size 12 - 12.5. https://www.avarcastore.com/products/mibo-avarcas-multi-glitter-menorcan-sandals